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Finding the Fourth Proportional to 277,746.71, 383,314.05 and 156,910.16

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Solution

The fourth proportional to 277,746.71, 383,314.05 and 156,910.16 is: 216,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,746.71 : 383,314.05 = 156,910.16 : x
  2. Step 2: Convert to fraction form
    277,746.71/383,314.05 = 156,910.16/x
  3. Step 3: Cross multiply
    277,746.71x = 383,314.05 × 156,910.16
  4. Step 4: Simplify right side
    277,746.71x = 60,145,869,874.03
  5. Step 5: Solve for x
    x = 60,145,869,874.03/277,746.71
  6. Step 6: Final answer
    x = 216,549.36

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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.