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Finding the Fourth Proportional to 269,953, 372,535.17 and 156,783.04

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Solution

The fourth proportional to 269,953, 372,535.17 and 156,783.04 is: 216,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,953 : 372,535.17 = 156,783.04 : x
  2. Step 2: Convert to fraction form
    269,953/372,535.17 = 156,783.04/x
  3. Step 3: Cross multiply
    269,953x = 372,535.17 × 156,783.04
  4. Step 4: Simplify right side
    269,953x = 58,407,196,459.52
  5. Step 5: Solve for x
    x = 58,407,196,459.52/269,953
  6. Step 6: Final answer
    x = 216,360.61

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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.