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Finding the Fourth Proportional to 374,377.71, 516,640.34 and 204,613.05

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Solution

The fourth proportional to 374,377.71, 516,640.34 and 204,613.05 is: 282,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,377.71 : 516,640.34 = 204,613.05 : x
  2. Step 2: Convert to fraction form
    374,377.71/516,640.34 = 204,613.05/x
  3. Step 3: Cross multiply
    374,377.71x = 516,640.34 × 204,613.05
  4. Step 4: Simplify right side
    374,377.71x = 105,711,354,697.37
  5. Step 5: Solve for x
    x = 105,711,354,697.37/374,377.71
  6. Step 6: Final answer
    x = 282,365.51

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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.