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Finding the Fourth Proportional to 503,337.38, 755,307.57 and 188,015.90

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Solution

The fourth proportional to 503,337.38, 755,307.57 and 188,015.90 is: 282,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,337.38 : 755,307.57 = 188,015.90 : x
  2. Step 2: Convert to fraction form
    503,337.38/755,307.57 = 188,015.90/x
  3. Step 3: Cross multiply
    503,337.38x = 755,307.57 × 188,015.90
  4. Step 4: Simplify right side
    503,337.38x = 142,009,832,550.36
  5. Step 5: Solve for x
    x = 142,009,832,550.36/503,337.38
  6. Step 6: Final answer
    x = 282,136.47

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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.