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Finding the Fourth Proportional to 503,333.38, 755,301.57 and 188,011.90

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Solution

The fourth proportional to 503,333.38, 755,301.57 and 188,011.90 is: 282,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,333.38 : 755,301.57 = 188,011.90 : x
  2. Step 2: Convert to fraction form
    503,333.38/755,301.57 = 188,011.90/x
  3. Step 3: Cross multiply
    503,333.38x = 755,301.57 × 188,011.90
  4. Step 4: Simplify right side
    503,333.38x = 142,005,683,248.68
  5. Step 5: Solve for x
    x = 142,005,683,248.68/503,333.38
  6. Step 6: Final answer
    x = 282,130.47

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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.