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Finding the Fourth Proportional to 432,877.10, 649,315.65 and 327,901.10

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Solution

The fourth proportional to 432,877.10, 649,315.65 and 327,901.10 is: 491,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,877.10 : 649,315.65 = 327,901.10 : x
  2. Step 2: Convert to fraction form
    432,877.10/649,315.65 = 327,901.10/x
  3. Step 3: Cross multiply
    432,877.10x = 649,315.65 × 327,901.10
  4. Step 4: Simplify right side
    432,877.10x = 212,911,315,882.22
  5. Step 5: Solve for x
    x = 212,911,315,882.22/432,877.10
  6. Step 6: Final answer
    x = 491,851.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.