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Finding the Fourth Proportional to 477,982.37, 716,973.57 and 178,486.33

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Solution

The fourth proportional to 477,982.37, 716,973.57 and 178,486.33 is: 267,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,982.37 : 716,973.57 = 178,486.33 : x
  2. Step 2: Convert to fraction form
    477,982.37/716,973.57 = 178,486.33/x
  3. Step 3: Cross multiply
    477,982.37x = 716,973.57 × 178,486.33
  4. Step 4: Simplify right side
    477,982.37x = 127,969,981,216.30
  5. Step 5: Solve for x
    x = 127,969,981,216.30/477,982.37
  6. Step 6: Final answer
    x = 267,729.50

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Half scale
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Double scale
Find fourth proportional to 477,983.37, 716,975.07 and 178,487.33
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.