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Finding the Fourth Proportional to 573,279.50, 859,938.66 and 152,555.78

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Solution

The fourth proportional to 573,279.50, 859,938.66 and 152,555.78 is: 228,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,279.50 : 859,938.66 = 152,555.78 : x
  2. Step 2: Convert to fraction form
    573,279.50/859,938.66 = 152,555.78/x
  3. Step 3: Cross multiply
    573,279.50x = 859,938.66 × 152,555.78
  4. Step 4: Simplify right side
    573,279.50x = 131,188,608,728.76
  5. Step 5: Solve for x
    x = 131,188,608,728.76/573,279.50
  6. Step 6: Final answer
    x = 228,838.83

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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.