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Finding the Fourth Proportional to 475,681.50, 656,380.31 and 260,765.01

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Solution

The fourth proportional to 475,681.50, 656,380.31 and 260,765.01 is: 359,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,681.50 : 656,380.31 = 260,765.01 : x
  2. Step 2: Convert to fraction form
    475,681.50/656,380.31 = 260,765.01/x
  3. Step 3: Cross multiply
    475,681.50x = 656,380.31 × 260,765.01
  4. Step 4: Simplify right side
    475,681.50x = 171,161,016,797.13
  5. Step 5: Solve for x
    x = 171,161,016,797.13/475,681.50
  6. Step 6: Final answer
    x = 359,822.73

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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.