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Finding the Fourth Proportional to 454,098.78, 626,675.76 and 252,894.78

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Solution

The fourth proportional to 454,098.78, 626,675.76 and 252,894.78 is: 349,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,098.78 : 626,675.76 = 252,894.78 : x
  2. Step 2: Convert to fraction form
    454,098.78/626,675.76 = 252,894.78/x
  3. Step 3: Cross multiply
    454,098.78x = 626,675.76 × 252,894.78
  4. Step 4: Simplify right side
    454,098.78x = 158,483,028,456.53
  5. Step 5: Solve for x
    x = 158,483,028,456.53/454,098.78
  6. Step 6: Final answer
    x = 349,005.62

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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.