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Finding the Fourth Proportional to 587,459.83, 881,010.36 and 406,255.43

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Solution

The fourth proportional to 587,459.83, 881,010.36 and 406,255.43 is: 609,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,459.83 : 881,010.36 = 406,255.43 : x
  2. Step 2: Convert to fraction form
    587,459.83/881,010.36 = 406,255.43/x
  3. Step 3: Cross multiply
    587,459.83x = 881,010.36 × 406,255.43
  4. Step 4: Simplify right side
    587,459.83x = 357,915,238,992.93
  5. Step 5: Solve for x
    x = 357,915,238,992.93/587,459.83
  6. Step 6: Final answer
    x = 609,259.08

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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.