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Finding the Fourth Proportional to 707,392.08, 976,327.92 and 452,734.56

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Solution

The fourth proportional to 707,392.08, 976,327.92 and 452,734.56 is: 624,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,392.08 : 976,327.92 = 452,734.56 : x
  2. Step 2: Convert to fraction form
    707,392.08/976,327.92 = 452,734.56/x
  3. Step 3: Cross multiply
    707,392.08x = 976,327.92 × 452,734.56
  4. Step 4: Simplify right side
    707,392.08x = 442,017,391,276.92
  5. Step 5: Solve for x
    x = 442,017,391,276.92/707,392.08
  6. Step 6: Final answer
    x = 624,854.88

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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.