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Finding the Fourth Proportional to 482,071.80, 665,265.78 and 264,300.94

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Solution

The fourth proportional to 482,071.80, 665,265.78 and 264,300.94 is: 364,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,071.80 : 665,265.78 = 264,300.94 : x
  2. Step 2: Convert to fraction form
    482,071.80/665,265.78 = 264,300.94/x
  3. Step 3: Cross multiply
    482,071.80x = 665,265.78 × 264,300.94
  4. Step 4: Simplify right side
    482,071.80x = 175,830,371,003.83
  5. Step 5: Solve for x
    x = 175,830,371,003.83/482,071.80
  6. Step 6: Final answer
    x = 364,738.97

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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.