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Finding the Fourth Proportional to 524,861.07, 724,656.90 and 403,788.75

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Solution

The fourth proportional to 524,861.07, 724,656.90 and 403,788.75 is: 557,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,861.07 : 724,656.90 = 403,788.75 : x
  2. Step 2: Convert to fraction form
    524,861.07/724,656.90 = 403,788.75/x
  3. Step 3: Cross multiply
    524,861.07x = 724,656.90 × 403,788.75
  4. Step 4: Simplify right side
    524,861.07x = 292,608,300,206.59
  5. Step 5: Solve for x
    x = 292,608,300,206.59/524,861.07
  6. Step 6: Final answer
    x = 557,496.68

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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.