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Finding the Fourth Proportional to 277,757.48, 383,328.88 and 156,920.92

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Solution

The fourth proportional to 277,757.48, 383,328.88 and 156,920.92 is: 216,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,757.48 : 383,328.88 = 156,920.92 : x
  2. Step 2: Convert to fraction form
    277,757.48/383,328.88 = 156,920.92/x
  3. Step 3: Cross multiply
    277,757.48x = 383,328.88 × 156,920.92
  4. Step 4: Simplify right side
    277,757.48x = 60,152,320,512.17
  5. Step 5: Solve for x
    x = 60,152,320,512.17/277,757.48
  6. Step 6: Final answer
    x = 216,564.18

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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.