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Finding the Fourth Proportional to 369,372.68, 554,024.46 and 158,971.40

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Solution

The fourth proportional to 369,372.68, 554,024.46 and 158,971.40 is: 238,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,372.68 : 554,024.46 = 158,971.40 : x
  2. Step 2: Convert to fraction form
    369,372.68/554,024.46 = 158,971.40/x
  3. Step 3: Cross multiply
    369,372.68x = 554,024.46 × 158,971.40
  4. Step 4: Simplify right side
    369,372.68x = 88,074,044,040.44
  5. Step 5: Solve for x
    x = 88,074,044,040.44/369,372.68
  6. Step 6: Final answer
    x = 238,442.23

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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.