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Finding the Fourth Proportional to 633,030.78, 948,872.73 and 433,295.10

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Solution

The fourth proportional to 633,030.78, 948,872.73 and 433,295.10 is: 649,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,030.78 : 948,872.73 = 433,295.10 : x
  2. Step 2: Convert to fraction form
    633,030.78/948,872.73 = 433,295.10/x
  3. Step 3: Cross multiply
    633,030.78x = 948,872.73 × 433,295.10
  4. Step 4: Simplify right side
    633,030.78x = 411,141,904,432.62
  5. Step 5: Solve for x
    x = 411,141,904,432.62/633,030.78
  6. Step 6: Final answer
    x = 649,481.70

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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.