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Finding the Fourth Proportional to 288,674.85, 433,052.37 and 89,010.93

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Solution

The fourth proportional to 288,674.85, 433,052.37 and 89,010.93 is: 133,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,674.85 : 433,052.37 = 89,010.93 : x
  2. Step 2: Convert to fraction form
    288,674.85/433,052.37 = 89,010.93/x
  3. Step 3: Cross multiply
    288,674.85x = 433,052.37 × 89,010.93
  4. Step 4: Simplify right side
    288,674.85x = 38,546,393,747.35
  5. Step 5: Solve for x
    x = 38,546,393,747.35/288,674.85
  6. Step 6: Final answer
    x = 133,528.76

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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.