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Finding the Fourth Proportional to 662,519.52, 914,302.08 and 376,051.68

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Solution

The fourth proportional to 662,519.52, 914,302.08 and 376,051.68 is: 518,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,519.52 : 914,302.08 = 376,051.68 : x
  2. Step 2: Convert to fraction form
    662,519.52/914,302.08 = 376,051.68/x
  3. Step 3: Cross multiply
    662,519.52x = 914,302.08 × 376,051.68
  4. Step 4: Simplify right side
    662,519.52x = 343,824,833,211.49
  5. Step 5: Solve for x
    x = 343,824,833,211.49/662,519.52
  6. Step 6: Final answer
    x = 518,965.59

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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.