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Finding the Fourth Proportional to 347,901.60, 521,247.60 and 160,528.80

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Solution

The fourth proportional to 347,901.60, 521,247.60 and 160,528.80 is: 240,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,901.60 : 521,247.60 = 160,528.80 : x
  2. Step 2: Convert to fraction form
    347,901.60/521,247.60 = 160,528.80/x
  3. Step 3: Cross multiply
    347,901.60x = 521,247.60 × 160,528.80
  4. Step 4: Simplify right side
    347,901.60x = 83,675,251,730.88
  5. Step 5: Solve for x
    x = 83,675,251,730.88/347,901.60
  6. Step 6: Final answer
    x = 240,514.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.