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Finding the Fourth Proportional to 713,593.62, 1,068,290.89 and 476,347.86

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Solution

The fourth proportional to 713,593.62, 1,068,290.89 and 476,347.86 is: 713,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,593.62 : 1,068,290.89 = 476,347.86 : x
  2. Step 2: Convert to fraction form
    713,593.62/1,068,290.89 = 476,347.86/x
  3. Step 3: Cross multiply
    713,593.62x = 1,068,290.89 × 476,347.86
  4. Step 4: Simplify right side
    713,593.62x = 508,878,079,309.00
  5. Step 5: Solve for x
    x = 508,878,079,309.00/713,593.62
  6. Step 6: Final answer
    x = 713,120.28

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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.