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Finding the Fourth Proportional to 362,565.85, 543,661.95 and 162,714.91

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Solution

The fourth proportional to 362,565.85, 543,661.95 and 162,714.91 is: 243,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,565.85 : 543,661.95 = 162,714.91 : x
  2. Step 2: Convert to fraction form
    362,565.85/543,661.95 = 162,714.91/x
  3. Step 3: Cross multiply
    362,565.85x = 543,661.95 × 162,714.91
  4. Step 4: Simplify right side
    362,565.85x = 88,461,902,546.36
  5. Step 5: Solve for x
    x = 88,461,902,546.36/362,565.85
  6. Step 6: Final answer
    x = 243,988.52

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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.