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Finding the Fourth Proportional to 753,293.52, 1,039,563 and 413,768.88

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Solution

The fourth proportional to 753,293.52, 1,039,563 and 413,768.88 is: 571,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,293.52 : 1,039,563 = 413,768.88 : x
  2. Step 2: Convert to fraction form
    753,293.52/1,039,563 = 413,768.88/x
  3. Step 3: Cross multiply
    753,293.52x = 1,039,563 × 413,768.88
  4. Step 4: Simplify right side
    753,293.52x = 430,138,818,199.44
  5. Step 5: Solve for x
    x = 430,138,818,199.44/753,293.52
  6. Step 6: Final answer
    x = 571,010.91

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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.