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Finding the Fourth Proportional to 508,042.44, 761,908.08 and 351,278.28

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Solution

The fourth proportional to 508,042.44, 761,908.08 and 351,278.28 is: 526,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,042.44 : 761,908.08 = 351,278.28 : x
  2. Step 2: Convert to fraction form
    508,042.44/761,908.08 = 351,278.28/x
  3. Step 3: Cross multiply
    508,042.44x = 761,908.08 × 351,278.28
  4. Step 4: Simplify right side
    508,042.44x = 267,641,759,860.50
  5. Step 5: Solve for x
    x = 267,641,759,860.50/508,042.44
  6. Step 6: Final answer
    x = 526,809.85

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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.