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Finding the Fourth Proportional to 676,951.83, 934,200.84 and 371,021.61

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Solution

The fourth proportional to 676,951.83, 934,200.84 and 371,021.61 is: 512,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,951.83 : 934,200.84 = 371,021.61 : x
  2. Step 2: Convert to fraction form
    676,951.83/934,200.84 = 371,021.61/x
  3. Step 3: Cross multiply
    676,951.83x = 934,200.84 × 371,021.61
  4. Step 4: Simplify right side
    676,951.83x = 346,608,704,614.74
  5. Step 5: Solve for x
    x = 346,608,704,614.74/676,951.83
  6. Step 6: Final answer
    x = 512,013.84

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1.5x scale

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.