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Finding the Fourth Proportional to 289,193.56, 433,808.72 and 89,497.18

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Solution

The fourth proportional to 289,193.56, 433,808.72 and 89,497.18 is: 134,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,193.56 : 433,808.72 = 89,497.18 : x
  2. Step 2: Convert to fraction form
    289,193.56/433,808.72 = 89,497.18/x
  3. Step 3: Cross multiply
    289,193.56x = 433,808.72 × 89,497.18
  4. Step 4: Simplify right side
    289,193.56x = 38,824,656,651.92
  5. Step 5: Solve for x
    x = 38,824,656,651.92/289,193.56
  6. Step 6: Final answer
    x = 134,251.46

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1.5x scale

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.