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Finding the Fourth Proportional to 492,248.72, 738,544.92 and 155,341.52

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Solution

The fourth proportional to 492,248.72, 738,544.92 and 155,341.52 is: 233,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,248.72 : 738,544.92 = 155,341.52 : x
  2. Step 2: Convert to fraction form
    492,248.72/738,544.92 = 155,341.52/x
  3. Step 3: Cross multiply
    492,248.72x = 738,544.92 × 155,341.52
  4. Step 4: Simplify right side
    492,248.72x = 114,726,690,461.08
  5. Step 5: Solve for x
    x = 114,726,690,461.08/492,248.72
  6. Step 6: Final answer
    x = 233,066.51

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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.