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Finding the Fourth Proportional to 277,761.48, 383,334.40 and 156,924.92

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Solution

The fourth proportional to 277,761.48, 383,334.40 and 156,924.92 is: 216,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,761.48 : 383,334.40 = 156,924.92 : x
  2. Step 2: Convert to fraction form
    277,761.48/383,334.40 = 156,924.92/x
  3. Step 3: Cross multiply
    277,761.48x = 383,334.40 × 156,924.92
  4. Step 4: Simplify right side
    277,761.48x = 60,154,720,053.25
  5. Step 5: Solve for x
    x = 60,154,720,053.25/277,761.48
  6. Step 6: Final answer
    x = 216,569.70

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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.