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Finding the Fourth Proportional to 587,349.60, 881,024.40 and 579,476.40

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Solution

The fourth proportional to 587,349.60, 881,024.40 and 579,476.40 is: 869,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,349.60 : 881,024.40 = 579,476.40 : x
  2. Step 2: Convert to fraction form
    587,349.60/881,024.40 = 579,476.40/x
  3. Step 3: Cross multiply
    587,349.60x = 881,024.40 × 579,476.40
  4. Step 4: Simplify right side
    587,349.60x = 510,532,847,624.16
  5. Step 5: Solve for x
    x = 510,532,847,624.16/587,349.60
  6. Step 6: Final answer
    x = 869,214.60

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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.