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Finding the Fourth Proportional to 576,410.80, 866,507.46 and 534,793.36

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Solution

The fourth proportional to 576,410.80, 866,507.46 and 534,793.36 is: 803,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,410.80 : 866,507.46 = 534,793.36 : x
  2. Step 2: Convert to fraction form
    576,410.80/866,507.46 = 534,793.36/x
  3. Step 3: Cross multiply
    576,410.80x = 866,507.46 × 534,793.36
  4. Step 4: Simplify right side
    576,410.80x = 463,402,435,998.47
  5. Step 5: Solve for x
    x = 463,402,435,998.47/576,410.80
  6. Step 6: Final answer
    x = 803,944.75

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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.