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Finding the Fourth Proportional to 362,565.35, 543,661.20 and 162,714.41

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Solution

The fourth proportional to 362,565.35, 543,661.20 and 162,714.41 is: 243,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,565.35 : 543,661.20 = 162,714.41 : x
  2. Step 2: Convert to fraction form
    362,565.35/543,661.20 = 162,714.41/x
  3. Step 3: Cross multiply
    362,565.35x = 543,661.20 × 162,714.41
  4. Step 4: Simplify right side
    362,565.35x = 88,461,508,679.59
  5. Step 5: Solve for x
    x = 88,461,508,679.59/362,565.35
  6. Step 6: Final answer
    x = 243,987.77

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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.