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Finding the Fourth Proportional to 374,624.20, 516,970.89 and 204,854.68

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Solution

The fourth proportional to 374,624.20, 516,970.89 and 204,854.68 is: 282,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,624.20 : 516,970.89 = 204,854.68 : x
  2. Step 2: Convert to fraction form
    374,624.20/516,970.89 = 204,854.68/x
  3. Step 3: Cross multiply
    374,624.20x = 516,970.89 × 204,854.68
  4. Step 4: Simplify right side
    374,624.20x = 105,903,906,240.27
  5. Step 5: Solve for x
    x = 105,903,906,240.27/374,624.20
  6. Step 6: Final answer
    x = 282,693.71

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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.