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Finding the Fourth Proportional to 277,230.40, 382,535.52 and 156,366.40

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Solution

The fourth proportional to 277,230.40, 382,535.52 and 156,366.40 is: 215,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,230.40 : 382,535.52 = 156,366.40 : x
  2. Step 2: Convert to fraction form
    277,230.40/382,535.52 = 156,366.40/x
  3. Step 3: Cross multiply
    277,230.40x = 382,535.52 × 156,366.40
  4. Step 4: Simplify right side
    277,230.40x = 59,815,702,134.53
  5. Step 5: Solve for x
    x = 59,815,702,134.53/277,230.40
  6. Step 6: Final answer
    x = 215,761.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.