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Finding the Fourth Proportional to 277,702.20, 416,456.10 and 144,538.20

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Solution

The fourth proportional to 277,702.20, 416,456.10 and 144,538.20 is: 216,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,702.20 : 416,456.10 = 144,538.20 : x
  2. Step 2: Convert to fraction form
    277,702.20/416,456.10 = 144,538.20/x
  3. Step 3: Cross multiply
    277,702.20x = 416,456.10 × 144,538.20
  4. Step 4: Simplify right side
    277,702.20x = 60,193,815,073.02
  5. Step 5: Solve for x
    x = 60,193,815,073.02/277,702.20
  6. Step 6: Final answer
    x = 216,756.71

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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.