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Finding the Fourth Proportional to 656,602.75, 984,904.14 and 157,966.75

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Solution

The fourth proportional to 656,602.75, 984,904.14 and 157,966.75 is: 236,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,602.75 : 984,904.14 = 157,966.75 : x
  2. Step 2: Convert to fraction form
    656,602.75/984,904.14 = 157,966.75/x
  3. Step 3: Cross multiply
    656,602.75x = 984,904.14 × 157,966.75
  4. Step 4: Simplify right side
    656,602.75x = 155,582,106,057.35
  5. Step 5: Solve for x
    x = 155,582,106,057.35/656,602.75
  6. Step 6: Final answer
    x = 236,950.13

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Half scale
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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.