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Finding the Fourth Proportional to 295,232.80, 442,849.20 and 292,608.40

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Solution

The fourth proportional to 295,232.80, 442,849.20 and 292,608.40 is: 438,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,232.80 : 442,849.20 = 292,608.40 : x
  2. Step 2: Convert to fraction form
    295,232.80/442,849.20 = 292,608.40/x
  3. Step 3: Cross multiply
    295,232.80x = 442,849.20 × 292,608.40
  4. Step 4: Simplify right side
    295,232.80x = 129,581,395,853.28
  5. Step 5: Solve for x
    x = 129,581,395,853.28/295,232.80
  6. Step 6: Final answer
    x = 438,912.60

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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.