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Finding the Fourth Proportional to 629,856.80, 944,842.80 and 255,802.40

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Solution

The fourth proportional to 629,856.80, 944,842.80 and 255,802.40 is: 383,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856.80 : 944,842.80 = 255,802.40 : x
  2. Step 2: Convert to fraction form
    629,856.80/944,842.80 = 255,802.40/x
  3. Step 3: Cross multiply
    629,856.80x = 944,842.80 × 255,802.40
  4. Step 4: Simplify right side
    629,856.80x = 241,693,055,862.72
  5. Step 5: Solve for x
    x = 241,693,055,862.72/629,856.80
  6. Step 6: Final answer
    x = 383,726.99

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1.5x scale

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.