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Finding the Fourth Proportional to 288,693.65, 433,012.63 and 88,960.41

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Solution

The fourth proportional to 288,693.65, 433,012.63 and 88,960.41 is: 133,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,693.65 : 433,012.63 = 88,960.41 : x
  2. Step 2: Convert to fraction form
    288,693.65/433,012.63 = 88,960.41/x
  3. Step 3: Cross multiply
    288,693.65x = 433,012.63 × 88,960.41
  4. Step 4: Simplify right side
    288,693.65x = 38,520,978,490.11
  5. Step 5: Solve for x
    x = 38,520,978,490.11/288,693.65
  6. Step 6: Final answer
    x = 133,432.03

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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.