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Finding the Fourth Proportional to 555,394.17, 832,530.22 and 218,671.10

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Solution

The fourth proportional to 555,394.17, 832,530.22 and 218,671.10 is: 327,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,394.17 : 832,530.22 = 218,671.10 : x
  2. Step 2: Convert to fraction form
    555,394.17/832,530.22 = 218,671.10/x
  3. Step 3: Cross multiply
    555,394.17x = 832,530.22 × 218,671.10
  4. Step 4: Simplify right side
    555,394.17x = 182,050,298,990.64
  5. Step 5: Solve for x
    x = 182,050,298,990.64/555,394.17
  6. Step 6: Final answer
    x = 327,785.76

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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.