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Finding the Fourth Proportional to 294,784.80, 442,177.20 and 204,583.20

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Solution

The fourth proportional to 294,784.80, 442,177.20 and 204,583.20 is: 306,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,784.80 : 442,177.20 = 204,583.20 : x
  2. Step 2: Convert to fraction form
    294,784.80/442,177.20 = 204,583.20/x
  3. Step 3: Cross multiply
    294,784.80x = 442,177.20 × 204,583.20
  4. Step 4: Simplify right side
    294,784.80x = 90,462,026,543.04
  5. Step 5: Solve for x
    x = 90,462,026,543.04/294,784.80
  6. Step 6: Final answer
    x = 306,874.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.