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Finding the Fourth Proportional to 555,275.82, 832,561.38 and 471,064.98

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Solution

The fourth proportional to 555,275.82, 832,561.38 and 471,064.98 is: 706,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,275.82 : 832,561.38 = 471,064.98 : x
  2. Step 2: Convert to fraction form
    555,275.82/832,561.38 = 471,064.98/x
  3. Step 3: Cross multiply
    555,275.82x = 832,561.38 × 471,064.98
  4. Step 4: Simplify right side
    555,275.82x = 392,190,509,818.47
  5. Step 5: Solve for x
    x = 392,190,509,818.47/555,275.82
  6. Step 6: Final answer
    x = 706,298.56

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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.