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Finding the Fourth Proportional to 288,830.53, 433,079.04 and 89,097.29

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Solution

The fourth proportional to 288,830.53, 433,079.04 and 89,097.29 is: 133,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,830.53 : 433,079.04 = 89,097.29 : x
  2. Step 2: Convert to fraction form
    288,830.53/433,079.04 = 89,097.29/x
  3. Step 3: Cross multiply
    288,830.53x = 433,079.04 × 89,097.29
  4. Step 4: Simplify right side
    288,830.53x = 38,586,168,819.80
  5. Step 5: Solve for x
    x = 38,586,168,819.80/288,830.53
  6. Step 6: Final answer
    x = 133,594.50

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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.