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Finding the Fourth Proportional to 707,487.60, 1,058,898.60 and 497,535.60

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Solution

The fourth proportional to 707,487.60, 1,058,898.60 and 497,535.60 is: 744,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,487.60 : 1,058,898.60 = 497,535.60 : x
  2. Step 2: Convert to fraction form
    707,487.60/1,058,898.60 = 497,535.60/x
  3. Step 3: Cross multiply
    707,487.60x = 1,058,898.60 × 497,535.60
  4. Step 4: Simplify right side
    707,487.60x = 526,839,750,290.16
  5. Step 5: Solve for x
    x = 526,839,750,290.16/707,487.60
  6. Step 6: Final answer
    x = 744,662.88

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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.