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Finding the Fourth Proportional to 587,465.85, 881,019.36 and 406,261.44

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Solution

The fourth proportional to 587,465.85, 881,019.36 and 406,261.44 is: 609,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,465.85 : 881,019.36 = 406,261.44 : x
  2. Step 2: Convert to fraction form
    587,465.85/881,019.36 = 406,261.44/x
  3. Step 3: Cross multiply
    587,465.85x = 881,019.36 × 406,261.44
  4. Step 4: Simplify right side
    587,465.85x = 357,924,193,861.48
  5. Step 5: Solve for x
    x = 357,924,193,861.48/587,465.85
  6. Step 6: Final answer
    x = 609,268.09

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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.