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Finding the Fourth Proportional to 374,391.96, 516,660 and 204,627.36

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Solution

The fourth proportional to 374,391.96, 516,660 and 204,627.36 is: 282,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,391.96 : 516,660 = 204,627.36 : x
  2. Step 2: Convert to fraction form
    374,391.96/516,660 = 204,627.36/x
  3. Step 3: Cross multiply
    374,391.96x = 516,660 × 204,627.36
  4. Step 4: Simplify right side
    374,391.96x = 105,722,771,817.60
  5. Step 5: Solve for x
    x = 105,722,771,817.60/374,391.96
  6. Step 6: Final answer
    x = 282,385.26

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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.