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Finding the Fourth Proportional to 442,648.62, 663,810.12 and 158,262.35

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Solution

The fourth proportional to 442,648.62, 663,810.12 and 158,262.35 is: 237,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,648.62 : 663,810.12 = 158,262.35 : x
  2. Step 2: Convert to fraction form
    442,648.62/663,810.12 = 158,262.35/x
  3. Step 3: Cross multiply
    442,648.62x = 663,810.12 × 158,262.35
  4. Step 4: Simplify right side
    442,648.62x = 105,056,146,225.93
  5. Step 5: Solve for x
    x = 105,056,146,225.93/442,648.62
  6. Step 6: Final answer
    x = 237,335.31

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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.