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Finding the Fourth Proportional to 904,381, 1,248,050.64 and 565,046.08

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Solution

The fourth proportional to 904,381, 1,248,050.64 and 565,046.08 is: 779,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,381 : 1,248,050.64 = 565,046.08 : x
  2. Step 2: Convert to fraction form
    904,381/1,248,050.64 = 565,046.08/x
  3. Step 3: Cross multiply
    904,381x = 1,248,050.64 × 565,046.08
  4. Step 4: Simplify right side
    904,381x = 705,206,121,773.49
  5. Step 5: Solve for x
    x = 705,206,121,773.49/904,381
  6. Step 6: Final answer
    x = 779,766.63

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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.