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Finding the Fourth Proportional to 713,592.62, 1,068,289.39 and 476,346.86

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Solution

The fourth proportional to 713,592.62, 1,068,289.39 and 476,346.86 is: 713,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,592.62 : 1,068,289.39 = 476,346.86 : x
  2. Step 2: Convert to fraction form
    713,592.62/1,068,289.39 = 476,346.86/x
  3. Step 3: Cross multiply
    713,592.62x = 1,068,289.39 × 476,346.86
  4. Step 4: Simplify right side
    713,592.62x = 508,876,299,763.97
  5. Step 5: Solve for x
    x = 508,876,299,763.97/713,592.62
  6. Step 6: Final answer
    x = 713,118.78

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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.