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Finding the Fourth Proportional to 704,272.93, 971,909.89 and 432,204.66

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Solution

The fourth proportional to 704,272.93, 971,909.89 and 432,204.66 is: 596,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,272.93 : 971,909.89 = 432,204.66 : x
  2. Step 2: Convert to fraction form
    704,272.93/971,909.89 = 432,204.66/x
  3. Step 3: Cross multiply
    704,272.93x = 971,909.89 × 432,204.66
  4. Step 4: Simplify right side
    704,272.93x = 420,063,982,477.58
  5. Step 5: Solve for x
    x = 420,063,982,477.58/704,272.93
  6. Step 6: Final answer
    x = 596,450.56

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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.