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Finding the Fourth Proportional to 374,259.78, 516,472.47 and 204,490.26

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Solution

The fourth proportional to 374,259.78, 516,472.47 and 204,490.26 is: 282,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,259.78 : 516,472.47 = 204,490.26 : x
  2. Step 2: Convert to fraction form
    374,259.78/516,472.47 = 204,490.26/x
  3. Step 3: Cross multiply
    374,259.78x = 516,472.47 × 204,490.26
  4. Step 4: Simplify right side
    374,259.78x = 105,613,589,673.14
  5. Step 5: Solve for x
    x = 105,613,589,673.14/374,259.78
  6. Step 6: Final answer
    x = 282,193.27

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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.