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Finding the Fourth Proportional to 713,064.56, 1,068,410.96 and 502,257.20

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Solution

The fourth proportional to 713,064.56, 1,068,410.96 and 502,257.20 is: 752,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,064.56 : 1,068,410.96 = 502,257.20 : x
  2. Step 2: Convert to fraction form
    713,064.56/1,068,410.96 = 502,257.20/x
  3. Step 3: Cross multiply
    713,064.56x = 1,068,410.96 × 502,257.20
  4. Step 4: Simplify right side
    713,064.56x = 536,617,097,218.91
  5. Step 5: Solve for x
    x = 536,617,097,218.91/713,064.56
  6. Step 6: Final answer
    x = 752,550.51

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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.