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Finding the Fourth Proportional to 270,217.92, 372,900 and 150,985.92

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Solution

The fourth proportional to 270,217.92, 372,900 and 150,985.92 is: 208,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,217.92 : 372,900 = 150,985.92 : x
  2. Step 2: Convert to fraction form
    270,217.92/372,900 = 150,985.92/x
  3. Step 3: Cross multiply
    270,217.92x = 372,900 × 150,985.92
  4. Step 4: Simplify right side
    270,217.92x = 56,302,649,568.00
  5. Step 5: Solve for x
    x = 56,302,649,568.00/270,217.92
  6. Step 6: Final answer
    x = 208,360.16

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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.