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Finding the Fourth Proportional to 504,047.60, 754,321.80 and 462,057.20

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Solution

The fourth proportional to 504,047.60, 754,321.80 and 462,057.20 is: 691,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,047.60 : 754,321.80 = 462,057.20 : x
  2. Step 2: Convert to fraction form
    504,047.60/754,321.80 = 462,057.20/x
  3. Step 3: Cross multiply
    504,047.60x = 754,321.80 × 462,057.20
  4. Step 4: Simplify right side
    504,047.60x = 348,539,818,806.96
  5. Step 5: Solve for x
    x = 348,539,818,806.96/504,047.60
  6. Step 6: Final answer
    x = 691,481.95

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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.