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Finding the Fourth Proportional to 277,223.20, 415,737.60 and 144,059.20

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Solution

The fourth proportional to 277,223.20, 415,737.60 and 144,059.20 is: 216,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,223.20 : 415,737.60 = 144,059.20 : x
  2. Step 2: Convert to fraction form
    277,223.20/415,737.60 = 144,059.20/x
  3. Step 3: Cross multiply
    277,223.20x = 415,737.60 × 144,059.20
  4. Step 4: Simplify right side
    277,223.20x = 59,890,826,065.92
  5. Step 5: Solve for x
    x = 59,890,826,065.92/277,223.20
  6. Step 6: Final answer
    x = 216,038.29

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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.