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Finding the Fourth Proportional to 676,087.44, 932,991.48 and 370,159.92

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Solution

The fourth proportional to 676,087.44, 932,991.48 and 370,159.92 is: 510,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,087.44 : 932,991.48 = 370,159.92 : x
  2. Step 2: Convert to fraction form
    676,087.44/932,991.48 = 370,159.92/x
  3. Step 3: Cross multiply
    676,087.44x = 932,991.48 × 370,159.92
  4. Step 4: Simplify right side
    676,087.44x = 345,356,051,597.48
  5. Step 5: Solve for x
    x = 345,356,051,597.48/676,087.44
  6. Step 6: Final answer
    x = 510,815.66

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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.