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Finding the Fourth Proportional to 270,026.28, 372,512.16 and 156,827.16

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Solution

The fourth proportional to 270,026.28, 372,512.16 and 156,827.16 is: 216,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,026.28 : 372,512.16 = 156,827.16 : x
  2. Step 2: Convert to fraction form
    270,026.28/372,512.16 = 156,827.16/x
  3. Step 3: Cross multiply
    270,026.28x = 372,512.16 × 156,827.16
  4. Step 4: Simplify right side
    270,026.28x = 58,420,024,118.27
  5. Step 5: Solve for x
    x = 58,420,024,118.27/270,026.28
  6. Step 6: Final answer
    x = 216,349.40

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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.