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Finding the Fourth Proportional to 361,279.03, 542,254.79 and 183,918.82

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Solution

The fourth proportional to 361,279.03, 542,254.79 and 183,918.82 is: 276,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,279.03 : 542,254.79 = 183,918.82 : x
  2. Step 2: Convert to fraction form
    361,279.03/542,254.79 = 183,918.82/x
  3. Step 3: Cross multiply
    361,279.03x = 542,254.79 × 183,918.82
  4. Step 4: Simplify right side
    361,279.03x = 99,730,861,116.15
  5. Step 5: Solve for x
    x = 99,730,861,116.15/361,279.03
  6. Step 6: Final answer
    x = 276,049.40

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1.5x scale

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.