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Finding the Fourth Proportional to 515,025.90, 772,866.90 and 301,793.40

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Solution

The fourth proportional to 515,025.90, 772,866.90 and 301,793.40 is: 452,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,025.90 : 772,866.90 = 301,793.40 : x
  2. Step 2: Convert to fraction form
    515,025.90/772,866.90 = 301,793.40/x
  3. Step 3: Cross multiply
    515,025.90x = 772,866.90 × 301,793.40
  4. Step 4: Simplify right side
    515,025.90x = 233,246,129,498.46
  5. Step 5: Solve for x
    x = 233,246,129,498.46/515,025.90
  6. Step 6: Final answer
    x = 452,882.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.