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Finding the Fourth Proportional to 364,648.80, 546,535.80 and 187,064.40

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Solution

The fourth proportional to 364,648.80, 546,535.80 and 187,064.40 is: 280,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,648.80 : 546,535.80 = 187,064.40 : x
  2. Step 2: Convert to fraction form
    364,648.80/546,535.80 = 187,064.40/x
  3. Step 3: Cross multiply
    364,648.80x = 546,535.80 × 187,064.40
  4. Step 4: Simplify right side
    364,648.80x = 102,237,391,505.52
  5. Step 5: Solve for x
    x = 102,237,391,505.52/364,648.80
  6. Step 6: Final answer
    x = 280,372.21

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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.