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Finding the Fourth Proportional to 656,359.16, 984,538.64 and 157,723.16

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Solution

The fourth proportional to 656,359.16, 984,538.64 and 157,723.16 is: 236,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,359.16 : 984,538.64 = 157,723.16 : x
  2. Step 2: Convert to fraction form
    656,359.16/984,538.64 = 157,723.16/x
  3. Step 3: Cross multiply
    656,359.16x = 984,538.64 × 157,723.16
  4. Step 4: Simplify right side
    656,359.16x = 155,284,545,442.90
  5. Step 5: Solve for x
    x = 155,284,545,442.90/656,359.16
  6. Step 6: Final answer
    x = 236,584.72

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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.