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Finding the Fourth Proportional to 532,728.70, 799,546.65 and 217,411.90

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Solution

The fourth proportional to 532,728.70, 799,546.65 and 217,411.90 is: 326,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,728.70 : 799,546.65 = 217,411.90 : x
  2. Step 2: Convert to fraction form
    532,728.70/799,546.65 = 217,411.90/x
  3. Step 3: Cross multiply
    532,728.70x = 799,546.65 × 217,411.90
  4. Step 4: Simplify right side
    532,728.70x = 173,830,956,315.14
  5. Step 5: Solve for x
    x = 173,830,956,315.14/532,728.70
  6. Step 6: Final answer
    x = 326,302.97

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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.