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Finding the Fourth Proportional to 656,602.19, 984,903.59 and 157,966.19

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Solution

The fourth proportional to 656,602.19, 984,903.59 and 157,966.19 is: 236,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,602.19 : 984,903.59 = 157,966.19 : x
  2. Step 2: Convert to fraction form
    656,602.19/984,903.59 = 157,966.19/x
  3. Step 3: Cross multiply
    656,602.19x = 984,903.59 × 157,966.19
  4. Step 4: Simplify right side
    656,602.19x = 155,581,467,629.62
  5. Step 5: Solve for x
    x = 155,581,467,629.62/656,602.19
  6. Step 6: Final answer
    x = 236,949.36

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Double scale
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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.