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Finding the Fourth Proportional to 524,862.82, 724,659.32 and 403,790.50

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Solution

The fourth proportional to 524,862.82, 724,659.32 and 403,790.50 is: 557,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,862.82 : 724,659.32 = 403,790.50 : x
  2. Step 2: Convert to fraction form
    524,862.82/724,659.32 = 403,790.50/x
  3. Step 3: Cross multiply
    524,862.82x = 724,659.32 × 403,790.50
  4. Step 4: Simplify right side
    524,862.82x = 292,610,549,152.46
  5. Step 5: Solve for x
    x = 292,610,549,152.46/524,862.82
  6. Step 6: Final answer
    x = 557,499.10

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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.