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Finding the Fourth Proportional to 656,375.16, 986,617.92 and 433,169.94

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Solution

The fourth proportional to 656,375.16, 986,617.92 and 433,169.94 is: 651,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,375.16 : 986,617.92 = 433,169.94 : x
  2. Step 2: Convert to fraction form
    656,375.16/986,617.92 = 433,169.94/x
  3. Step 3: Cross multiply
    656,375.16x = 986,617.92 × 433,169.94
  4. Step 4: Simplify right side
    656,375.16x = 427,373,225,209.33
  5. Step 5: Solve for x
    x = 427,373,225,209.33/656,375.16
  6. Step 6: Final answer
    x = 651,111.21

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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.