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Finding the Fourth Proportional to 864,009.12, 1,192,336.02 and 482,052

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Solution

The fourth proportional to 864,009.12, 1,192,336.02 and 482,052 is: 665,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,009.12 : 1,192,336.02 = 482,052 : x
  2. Step 2: Convert to fraction form
    864,009.12/1,192,336.02 = 482,052/x
  3. Step 3: Cross multiply
    864,009.12x = 1,192,336.02 × 482,052
  4. Step 4: Simplify right side
    864,009.12x = 574,767,963,113.04
  5. Step 5: Solve for x
    x = 574,767,963,113.04/864,009.12
  6. Step 6: Final answer
    x = 665,233.68

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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.