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Finding the Fourth Proportional to 555,278.82, 832,565.88 and 471,067.98

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Solution

The fourth proportional to 555,278.82, 832,565.88 and 471,067.98 is: 706,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,278.82 : 832,565.88 = 471,067.98 : x
  2. Step 2: Convert to fraction form
    555,278.82/832,565.88 = 471,067.98/x
  3. Step 3: Cross multiply
    555,278.82x = 832,565.88 × 471,067.98
  4. Step 4: Simplify right side
    555,278.82x = 392,195,127,308.52
  5. Step 5: Solve for x
    x = 392,195,127,308.52/555,278.82
  6. Step 6: Final answer
    x = 706,303.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.