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Finding the Fourth Proportional to 374,382.80, 516,617.16 and 204,616.40

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Solution

The fourth proportional to 374,382.80, 516,617.16 and 204,616.40 is: 282,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,382.80 : 516,617.16 = 204,616.40 : x
  2. Step 2: Convert to fraction form
    374,382.80/516,617.16 = 204,616.40/x
  3. Step 3: Cross multiply
    374,382.80x = 516,617.16 × 204,616.40
  4. Step 4: Simplify right side
    374,382.80x = 105,708,343,457.42
  5. Step 5: Solve for x
    x = 105,708,343,457.42/374,382.80
  6. Step 6: Final answer
    x = 282,353.63

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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.