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Finding the Fourth Proportional to 526,430.08, 726,562.83 and 297,052.39

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Solution

The fourth proportional to 526,430.08, 726,562.83 and 297,052.39 is: 409,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,430.08 : 726,562.83 = 297,052.39 : x
  2. Step 2: Convert to fraction form
    526,430.08/726,562.83 = 297,052.39/x
  3. Step 3: Cross multiply
    526,430.08x = 726,562.83 × 297,052.39
  4. Step 4: Simplify right side
    526,430.08x = 215,827,225,136.66
  5. Step 5: Solve for x
    x = 215,827,225,136.66/526,430.08
  6. Step 6: Final answer
    x = 409,982.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.