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Finding the Fourth Proportional to 277,236.68, 382,592.16 and 156,354.30

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Solution

The fourth proportional to 277,236.68, 382,592.16 and 156,354.30 is: 215,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,236.68 : 382,592.16 = 156,354.30 : x
  2. Step 2: Convert to fraction form
    277,236.68/382,592.16 = 156,354.30/x
  3. Step 3: Cross multiply
    277,236.68x = 382,592.16 × 156,354.30
  4. Step 4: Simplify right side
    277,236.68x = 59,819,929,362.29
  5. Step 5: Solve for x
    x = 59,819,929,362.29/277,236.68
  6. Step 6: Final answer
    x = 215,772.06

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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.