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Finding the Fourth Proportional to 487,696.38, 731,606.88 and 188,262.63

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Solution

The fourth proportional to 487,696.38, 731,606.88 and 188,262.63 is: 282,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,696.38 : 731,606.88 = 188,262.63 : x
  2. Step 2: Convert to fraction form
    487,696.38/731,606.88 = 188,262.63/x
  3. Step 3: Cross multiply
    487,696.38x = 731,606.88 × 188,262.63
  4. Step 4: Simplify right side
    487,696.38x = 137,734,236,060.88
  5. Step 5: Solve for x
    x = 137,734,236,060.88/487,696.38
  6. Step 6: Final answer
    x = 282,418.00

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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.