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Finding the Fourth Proportional to 962,407.89, 1,328,103 and 532,662.39

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Solution

The fourth proportional to 962,407.89, 1,328,103 and 532,662.39 is: 735,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,407.89 : 1,328,103 = 532,662.39 : x
  2. Step 2: Convert to fraction form
    962,407.89/1,328,103 = 532,662.39/x
  3. Step 3: Cross multiply
    962,407.89x = 1,328,103 × 532,662.39
  4. Step 4: Simplify right side
    962,407.89x = 707,430,518,146.17
  5. Step 5: Solve for x
    x = 707,430,518,146.17/962,407.89
  6. Step 6: Final answer
    x = 735,063.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.