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Finding the Fourth Proportional to 296,045.84, 408,545.56 and 163,442.78

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Solution

The fourth proportional to 296,045.84, 408,545.56 and 163,442.78 is: 225,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,045.84 : 408,545.56 = 163,442.78 : x
  2. Step 2: Convert to fraction form
    296,045.84/408,545.56 = 163,442.78/x
  3. Step 3: Cross multiply
    296,045.84x = 408,545.56 × 163,442.78
  4. Step 4: Simplify right side
    296,045.84x = 66,773,821,776.68
  5. Step 5: Solve for x
    x = 66,773,821,776.68/296,045.84
  6. Step 6: Final answer
    x = 225,552.30

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1.5x scale

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.