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Finding the Fourth Proportional to 350,925.20, 525,610.20 and 288,717.20

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Solution

The fourth proportional to 350,925.20, 525,610.20 and 288,717.20 is: 432,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,925.20 : 525,610.20 = 288,717.20 : x
  2. Step 2: Convert to fraction form
    350,925.20/525,610.20 = 288,717.20/x
  3. Step 3: Cross multiply
    350,925.20x = 525,610.20 × 288,717.20
  4. Step 4: Simplify right side
    350,925.20x = 151,752,705,235.44
  5. Step 5: Solve for x
    x = 151,752,705,235.44/350,925.20
  6. Step 6: Final answer
    x = 432,436.04

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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.