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Finding the Fourth Proportional to 527,123.93, 790,676.66 and 207,309.02

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Solution

The fourth proportional to 527,123.93, 790,676.66 and 207,309.02 is: 310,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,123.93 : 790,676.66 = 207,309.02 : x
  2. Step 2: Convert to fraction form
    527,123.93/790,676.66 = 207,309.02/x
  3. Step 3: Cross multiply
    527,123.93x = 790,676.66 × 207,309.02
  4. Step 4: Simplify right side
    527,123.93x = 163,914,398,531.55
  5. Step 5: Solve for x
    x = 163,914,398,531.55/527,123.93
  6. Step 6: Final answer
    x = 310,959.89

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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.