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Finding the Fourth Proportional to 382,898.74, 574,541.85 and 158,420.26

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Solution

The fourth proportional to 382,898.74, 574,541.85 and 158,420.26 is: 237,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,898.74 : 574,541.85 = 158,420.26 : x
  2. Step 2: Convert to fraction form
    382,898.74/574,541.85 = 158,420.26/x
  3. Step 3: Cross multiply
    382,898.74x = 574,541.85 × 158,420.26
  4. Step 4: Simplify right side
    382,898.74x = 91,019,069,257.88
  5. Step 5: Solve for x
    x = 91,019,069,257.88/382,898.74
  6. Step 6: Final answer
    x = 237,710.55

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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.