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Finding the Fourth Proportional to 453,909.44, 626,356.32 and 252,724.16

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Solution

The fourth proportional to 453,909.44, 626,356.32 and 252,724.16 is: 348,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,909.44 : 626,356.32 = 252,724.16 : x
  2. Step 2: Convert to fraction form
    453,909.44/626,356.32 = 252,724.16/x
  3. Step 3: Cross multiply
    453,909.44x = 626,356.32 × 252,724.16
  4. Step 4: Simplify right side
    453,909.44x = 158,295,374,832.69
  5. Step 5: Solve for x
    x = 158,295,374,832.69/453,909.44
  6. Step 6: Final answer
    x = 348,737.79

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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.