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Finding the Fourth Proportional to 587,286.60, 880,929.90 and 519,635.40

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Solution

The fourth proportional to 587,286.60, 880,929.90 and 519,635.40 is: 779,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,286.60 : 880,929.90 = 519,635.40 : x
  2. Step 2: Convert to fraction form
    587,286.60/880,929.90 = 519,635.40/x
  3. Step 3: Cross multiply
    587,286.60x = 880,929.90 × 519,635.40
  4. Step 4: Simplify right side
    587,286.60x = 457,762,360,958.46
  5. Step 5: Solve for x
    x = 457,762,360,958.46/587,286.60
  6. Step 6: Final answer
    x = 779,453.10

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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.