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Finding the Fourth Proportional to 524,860.82, 724,656.56 and 403,788.50

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Solution

The fourth proportional to 524,860.82, 724,656.56 and 403,788.50 is: 557,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,860.82 : 724,656.56 = 403,788.50 : x
  2. Step 2: Convert to fraction form
    524,860.82/724,656.56 = 403,788.50/x
  3. Step 3: Cross multiply
    524,860.82x = 724,656.56 × 403,788.50
  4. Step 4: Simplify right side
    524,860.82x = 292,607,979,735.34
  5. Step 5: Solve for x
    x = 292,607,979,735.34/524,860.82
  6. Step 6: Final answer
    x = 557,496.33

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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.