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Finding the Fourth Proportional to 277,553.30, 383,048.78 and 156,724.25

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Solution

The fourth proportional to 277,553.30, 383,048.78 and 156,724.25 is: 216,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,553.30 : 383,048.78 = 156,724.25 : x
  2. Step 2: Convert to fraction form
    277,553.30/383,048.78 = 156,724.25/x
  3. Step 3: Cross multiply
    277,553.30x = 383,048.78 × 156,724.25
  4. Step 4: Simplify right side
    277,553.30x = 60,033,030,060.05
  5. Step 5: Solve for x
    x = 60,033,030,060.05/277,553.30
  6. Step 6: Final answer
    x = 216,293.70

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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.