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Finding the Fourth Proportional to 676,999.92, 934,251.57 and 366,895.88

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Solution

The fourth proportional to 676,999.92, 934,251.57 and 366,895.88 is: 506,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,999.92 : 934,251.57 = 366,895.88 : x
  2. Step 2: Convert to fraction form
    676,999.92/934,251.57 = 366,895.88/x
  3. Step 3: Cross multiply
    676,999.92x = 934,251.57 × 366,895.88
  4. Step 4: Simplify right side
    676,999.92x = 342,773,050,748.72
  5. Step 5: Solve for x
    x = 342,773,050,748.72/676,999.92
  6. Step 6: Final answer
    x = 506,311.80

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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.