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Finding the Fourth Proportional to 374,295.20, 516,528.72 and 204,529.32

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Solution

The fourth proportional to 374,295.20, 516,528.72 and 204,529.32 is: 282,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,295.20 : 516,528.72 = 204,529.32 : x
  2. Step 2: Convert to fraction form
    374,295.20/516,528.72 = 204,529.32/x
  3. Step 3: Cross multiply
    374,295.20x = 516,528.72 × 204,529.32
  4. Step 4: Simplify right side
    374,295.20x = 105,645,267,862.07
  5. Step 5: Solve for x
    x = 105,645,267,862.07/374,295.20
  6. Step 6: Final answer
    x = 282,251.20

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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.