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Finding the Fourth Proportional to 625,896,104.28, 863,826,444.54 and 375,010,404.12

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Solution

The fourth proportional to 625,896,104.28, 863,826,444.54 and 375,010,404.12 is: 517,568,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,896,104.28 : 863,826,444.54 = 375,010,404.12 : x
  2. Step 2: Convert to fraction form
    625,896,104.28/863,826,444.54 = 375,010,404.12/x
  3. Step 3: Cross multiply
    625,896,104.28x = 863,826,444.54 × 375,010,404.12
  4. Step 4: Simplify right side
    625,896,104.28x = 323,943,904,056,488,128
  5. Step 5: Solve for x
    x = 323,943,904,056,488,128/625,896,104.28
  6. Step 6: Final answer
    x = 517,568,174.40

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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.