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Finding the Fourth Proportional to 573,213.72, 859,819.56 and 152,489.61

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Solution

The fourth proportional to 573,213.72, 859,819.56 and 152,489.61 is: 228,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,213.72 : 859,819.56 = 152,489.61 : x
  2. Step 2: Convert to fraction form
    573,213.72/859,819.56 = 152,489.61/x
  3. Step 3: Cross multiply
    573,213.72x = 859,819.56 × 152,489.61
  4. Step 4: Simplify right side
    573,213.72x = 131,113,549,374.77
  5. Step 5: Solve for x
    x = 131,113,549,374.77/573,213.72
  6. Step 6: Final answer
    x = 228,734.14

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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.