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Finding the Fourth Proportional to 445,545.45, 614,885.31 and 254,554.74

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Solution

The fourth proportional to 445,545.45, 614,885.31 and 254,554.74 is: 351,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,545.45 : 614,885.31 = 254,554.74 : x
  2. Step 2: Convert to fraction form
    445,545.45/614,885.31 = 254,554.74/x
  3. Step 3: Cross multiply
    445,545.45x = 614,885.31 × 254,554.74
  4. Step 4: Simplify right side
    445,545.45x = 156,521,970,216.87
  5. Step 5: Solve for x
    x = 156,521,970,216.87/445,545.45
  6. Step 6: Final answer
    x = 351,304.16

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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.