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Finding the Fourth Proportional to 537,776.55, 742,119.98 and 296,049.87

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Solution

The fourth proportional to 537,776.55, 742,119.98 and 296,049.87 is: 408,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,776.55 : 742,119.98 = 296,049.87 : x
  2. Step 2: Convert to fraction form
    537,776.55/742,119.98 = 296,049.87/x
  3. Step 3: Cross multiply
    537,776.55x = 742,119.98 × 296,049.87
  4. Step 4: Simplify right side
    537,776.55x = 219,704,522,123.15
  5. Step 5: Solve for x
    x = 219,704,522,123.15/537,776.55
  6. Step 6: Final answer
    x = 408,542.40

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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.