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Finding the Fourth Proportional to 656,398.28, 984,597.59 and 207,154.31

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Solution

The fourth proportional to 656,398.28, 984,597.59 and 207,154.31 is: 310,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,398.28 : 984,597.59 = 207,154.31 : x
  2. Step 2: Convert to fraction form
    656,398.28/984,597.59 = 207,154.31/x
  3. Step 3: Cross multiply
    656,398.28x = 984,597.59 × 207,154.31
  4. Step 4: Simplify right side
    656,398.28x = 203,963,633,282.84
  5. Step 5: Solve for x
    x = 203,963,633,282.84/656,398.28
  6. Step 6: Final answer
    x = 310,731.52

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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.