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Finding the Fourth Proportional to 324,560.71, 486,835.80 and 124,924.47

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Solution

The fourth proportional to 324,560.71, 486,835.80 and 124,924.47 is: 187,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,560.71 : 486,835.80 = 124,924.47 : x
  2. Step 2: Convert to fraction form
    324,560.71/486,835.80 = 124,924.47/x
  3. Step 3: Cross multiply
    324,560.71x = 486,835.80 × 124,924.47
  4. Step 4: Simplify right side
    324,560.71x = 60,817,704,292.03
  5. Step 5: Solve for x
    x = 60,817,704,292.03/324,560.71
  6. Step 6: Final answer
    x = 187,384.68

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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.