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Finding the Fourth Proportional to 454,154.32, 626,724.84 and 252,946

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Solution

The fourth proportional to 454,154.32, 626,724.84 and 252,946 is: 349,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,154.32 : 626,724.84 = 252,946 : x
  2. Step 2: Convert to fraction form
    454,154.32/626,724.84 = 252,946/x
  3. Step 3: Cross multiply
    454,154.32x = 626,724.84 × 252,946
  4. Step 4: Simplify right side
    454,154.32x = 158,527,541,378.64
  5. Step 5: Solve for x
    x = 158,527,541,378.64/454,154.32
  6. Step 6: Final answer
    x = 349,060.96

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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.