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Finding the Fourth Proportional to 288,967.92, 398,837.96 and 175,827.12

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Solution

The fourth proportional to 288,967.92, 398,837.96 and 175,827.12 is: 242,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,967.92 : 398,837.96 = 175,827.12 : x
  2. Step 2: Convert to fraction form
    288,967.92/398,837.96 = 175,827.12/x
  3. Step 3: Cross multiply
    288,967.92x = 398,837.96 × 175,827.12
  4. Step 4: Simplify right side
    288,967.92x = 70,126,529,853.48
  5. Step 5: Solve for x
    x = 70,126,529,853.48/288,967.92
  6. Step 6: Final answer
    x = 242,679.29

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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.