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Finding the Fourth Proportional to 425,034.34, 637,255.58 and 188,248.66

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Solution

The fourth proportional to 425,034.34, 637,255.58 and 188,248.66 is: 282,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,034.34 : 637,255.58 = 188,248.66 : x
  2. Step 2: Convert to fraction form
    425,034.34/637,255.58 = 188,248.66/x
  3. Step 3: Cross multiply
    425,034.34x = 637,255.58 × 188,248.66
  4. Step 4: Simplify right side
    425,034.34x = 119,962,509,012.52
  5. Step 5: Solve for x
    x = 119,962,509,012.52/425,034.34
  6. Step 6: Final answer
    x = 282,241.92

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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.