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Finding the Fourth Proportional to 374,256.48, 516,462.48 and 204,490.38

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Solution

The fourth proportional to 374,256.48, 516,462.48 and 204,490.38 is: 282,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,256.48 : 516,462.48 = 204,490.38 : x
  2. Step 2: Convert to fraction form
    374,256.48/516,462.48 = 204,490.38/x
  3. Step 3: Cross multiply
    374,256.48x = 516,462.48 × 204,490.38
  4. Step 4: Simplify right side
    374,256.48x = 105,611,608,790.94
  5. Step 5: Solve for x
    x = 105,611,608,790.94/374,256.48
  6. Step 6: Final answer
    x = 282,190.46

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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.