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Finding the Fourth Proportional to 453,011.95, 679,522.02 and 137,468.86

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Solution

The fourth proportional to 453,011.95, 679,522.02 and 137,468.86 is: 206,204.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,011.95 : 679,522.02 = 137,468.86 : x
  2. Step 2: Convert to fraction form
    453,011.95/679,522.02 = 137,468.86/x
  3. Step 3: Cross multiply
    453,011.95x = 679,522.02 × 137,468.86
  4. Step 4: Simplify right side
    453,011.95x = 93,413,114,036.69
  5. Step 5: Solve for x
    x = 93,413,114,036.69/453,011.95
  6. Step 6: Final answer
    x = 206,204.53

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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.