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Finding the Fourth Proportional to 374,250.32, 516,459.36 and 204,480.80

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Solution

The fourth proportional to 374,250.32, 516,459.36 and 204,480.80 is: 282,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,250.32 : 516,459.36 = 204,480.80 : x
  2. Step 2: Convert to fraction form
    374,250.32/516,459.36 = 204,480.80/x
  3. Step 3: Cross multiply
    374,250.32x = 516,459.36 × 204,480.80
  4. Step 4: Simplify right side
    374,250.32x = 105,606,023,100.29
  5. Step 5: Solve for x
    x = 105,606,023,100.29/374,250.32
  6. Step 6: Final answer
    x = 282,180.18

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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.