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Finding the Fourth Proportional to 277,569.60, 383,024.67 and 156,722.82

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Solution

The fourth proportional to 277,569.60, 383,024.67 and 156,722.82 is: 216,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,569.60 : 383,024.67 = 156,722.82 : x
  2. Step 2: Convert to fraction form
    277,569.60/383,024.67 = 156,722.82/x
  3. Step 3: Cross multiply
    277,569.60x = 383,024.67 × 156,722.82
  4. Step 4: Simplify right side
    277,569.60x = 60,028,706,411.97
  5. Step 5: Solve for x
    x = 60,028,706,411.97/277,569.60
  6. Step 6: Final answer
    x = 216,265.42

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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.