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Finding the Fourth Proportional to 864,680.60, 1,193,135.82 and 482,699

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Solution

The fourth proportional to 864,680.60, 1,193,135.82 and 482,699 is: 666,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,680.60 : 1,193,135.82 = 482,699 : x
  2. Step 2: Convert to fraction form
    864,680.60/1,193,135.82 = 482,699/x
  3. Step 3: Cross multiply
    864,680.60x = 1,193,135.82 × 482,699
  4. Step 4: Simplify right side
    864,680.60x = 575,925,467,178.18
  5. Step 5: Solve for x
    x = 575,925,467,178.18/864,680.60
  6. Step 6: Final answer
    x = 666,055.73

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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.