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Finding the Fourth Proportional to 575,101.20, 862,003.80 and 275,725.20

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Solution

The fourth proportional to 575,101.20, 862,003.80 and 275,725.20 is: 413,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,101.20 : 862,003.80 = 275,725.20 : x
  2. Step 2: Convert to fraction form
    575,101.20/862,003.80 = 275,725.20/x
  3. Step 3: Cross multiply
    575,101.20x = 862,003.80 × 275,725.20
  4. Step 4: Simplify right side
    575,101.20x = 237,676,170,155.76
  5. Step 5: Solve for x
    x = 237,676,170,155.76/575,101.20
  6. Step 6: Final answer
    x = 413,277.12

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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.