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Finding the Fourth Proportional to 649,063.30, 895,755.84 and 373,505.62

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Solution

The fourth proportional to 649,063.30, 895,755.84 and 373,505.62 is: 515,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,063.30 : 895,755.84 = 373,505.62 : x
  2. Step 2: Convert to fraction form
    649,063.30/895,755.84 = 373,505.62/x
  3. Step 3: Cross multiply
    649,063.30x = 895,755.84 × 373,505.62
  4. Step 4: Simplify right side
    649,063.30x = 334,569,840,387.82
  5. Step 5: Solve for x
    x = 334,569,840,387.82/649,063.30
  6. Step 6: Final answer
    x = 515,465.66

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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.