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Finding the Fourth Proportional to 288,656.08, 398,348.04 and 159,592.68

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Solution

The fourth proportional to 288,656.08, 398,348.04 and 159,592.68 is: 220,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,656.08 : 398,348.04 = 159,592.68 : x
  2. Step 2: Convert to fraction form
    288,656.08/398,348.04 = 159,592.68/x
  3. Step 3: Cross multiply
    288,656.08x = 398,348.04 × 159,592.68
  4. Step 4: Simplify right side
    288,656.08x = 63,573,431,276.35
  5. Step 5: Solve for x
    x = 63,573,431,276.35/288,656.08
  6. Step 6: Final answer
    x = 220,239.36

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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.