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Finding the Fourth Proportional to 656,404.32, 984,606.60 and 207,160.14

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Solution

The fourth proportional to 656,404.32, 984,606.60 and 207,160.14 is: 310,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,404.32 : 984,606.60 = 207,160.14 : x
  2. Step 2: Convert to fraction form
    656,404.32/984,606.60 = 207,160.14/x
  3. Step 3: Cross multiply
    656,404.32x = 984,606.60 × 207,160.14
  4. Step 4: Simplify right side
    656,404.32x = 203,971,241,100.92
  5. Step 5: Solve for x
    x = 203,971,241,100.92/656,404.32
  6. Step 6: Final answer
    x = 310,740.25

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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.