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Finding the Fourth Proportional to 764,732.22, 1,055,324.07 and 425,197.50

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Solution

The fourth proportional to 764,732.22, 1,055,324.07 and 425,197.50 is: 586,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,732.22 : 1,055,324.07 = 425,197.50 : x
  2. Step 2: Convert to fraction form
    764,732.22/1,055,324.07 = 425,197.50/x
  3. Step 3: Cross multiply
    764,732.22x = 1,055,324.07 × 425,197.50
  4. Step 4: Simplify right side
    764,732.22x = 448,721,156,253.83
  5. Step 5: Solve for x
    x = 448,721,156,253.83/764,732.22
  6. Step 6: Final answer
    x = 586,769.00

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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.