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Finding the Fourth Proportional to 573,213.22, 859,818.81 and 152,489.11

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Solution

The fourth proportional to 573,213.22, 859,818.81 and 152,489.11 is: 228,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,213.22 : 859,818.81 = 152,489.11 : x
  2. Step 2: Convert to fraction form
    573,213.22/859,818.81 = 152,489.11/x
  3. Step 3: Cross multiply
    573,213.22x = 859,818.81 × 152,489.11
  4. Step 4: Simplify right side
    573,213.22x = 131,113,005,098.16
  5. Step 5: Solve for x
    x = 131,113,005,098.16/573,213.22
  6. Step 6: Final answer
    x = 228,733.39

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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.