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Finding the Fourth Proportional to 908,997.12, 1,254,458.88 and 506,592

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Solution

The fourth proportional to 908,997.12, 1,254,458.88 and 506,592 is: 699,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,997.12 : 1,254,458.88 = 506,592 : x
  2. Step 2: Convert to fraction form
    908,997.12/1,254,458.88 = 506,592/x
  3. Step 3: Cross multiply
    908,997.12x = 1,254,458.88 × 506,592
  4. Step 4: Simplify right side
    908,997.12x = 635,498,832,936.96
  5. Step 5: Solve for x
    x = 635,498,832,936.96/908,997.12
  6. Step 6: Final answer
    x = 699,120.84

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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.