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Finding the Fourth Proportional to 324,063.50, 486,095.28 and 102,447.50

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Solution

The fourth proportional to 324,063.50, 486,095.28 and 102,447.50 is: 153,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,063.50 : 486,095.28 = 102,447.50 : x
  2. Step 2: Convert to fraction form
    324,063.50/486,095.28 = 102,447.50/x
  3. Step 3: Cross multiply
    324,063.50x = 486,095.28 × 102,447.50
  4. Step 4: Simplify right side
    324,063.50x = 49,799,246,197.80
  5. Step 5: Solve for x
    x = 49,799,246,197.80/324,063.50
  6. Step 6: Final answer
    x = 153,671.26

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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.