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Finding the Fourth Proportional to 547,068.84, 755,354.94 and 353,591.04

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Solution

The fourth proportional to 547,068.84, 755,354.94 and 353,591.04 is: 488,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,068.84 : 755,354.94 = 353,591.04 : x
  2. Step 2: Convert to fraction form
    547,068.84/755,354.94 = 353,591.04/x
  3. Step 3: Cross multiply
    547,068.84x = 755,354.94 × 353,591.04
  4. Step 4: Simplify right side
    547,068.84x = 267,086,738,803.74
  5. Step 5: Solve for x
    x = 267,086,738,803.74/547,068.84
  6. Step 6: Final answer
    x = 488,214.13

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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.