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Finding the Fourth Proportional to 546,068.86, 753,612.87 and 331,217.98

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Solution

The fourth proportional to 546,068.86, 753,612.87 and 331,217.98 is: 457,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,068.86 : 753,612.87 = 331,217.98 : x
  2. Step 2: Convert to fraction form
    546,068.86/753,612.87 = 331,217.98/x
  3. Step 3: Cross multiply
    546,068.86x = 753,612.87 × 331,217.98
  4. Step 4: Simplify right side
    546,068.86x = 249,610,132,503.40
  5. Step 5: Solve for x
    x = 249,610,132,503.40/546,068.86
  6. Step 6: Final answer
    x = 457,103.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.