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Finding the Fourth Proportional to 594,363.86, 891,542.72 and 145,087.10

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Solution

The fourth proportional to 594,363.86, 891,542.72 and 145,087.10 is: 217,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,363.86 : 891,542.72 = 145,087.10 : x
  2. Step 2: Convert to fraction form
    594,363.86/891,542.72 = 145,087.10/x
  3. Step 3: Cross multiply
    594,363.86x = 891,542.72 × 145,087.10
  4. Step 4: Simplify right side
    594,363.86x = 129,351,347,770.91
  5. Step 5: Solve for x
    x = 129,351,347,770.91/594,363.86
  6. Step 6: Final answer
    x = 217,629.90

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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.