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Finding the Fourth Proportional to 462,562.76, 638,301.38 and 281,249.52

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Solution

The fourth proportional to 462,562.76, 638,301.38 and 281,249.52 is: 388,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,562.76 : 638,301.38 = 281,249.52 : x
  2. Step 2: Convert to fraction form
    462,562.76/638,301.38 = 281,249.52/x
  3. Step 3: Cross multiply
    462,562.76x = 638,301.38 × 281,249.52
  4. Step 4: Simplify right side
    462,562.76x = 179,521,956,740.34
  5. Step 5: Solve for x
    x = 179,521,956,740.34/462,562.76
  6. Step 6: Final answer
    x = 388,102.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.