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Finding the Fourth Proportional to 495,678.65, 743,534.13 and 235,959.90

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Solution

The fourth proportional to 495,678.65, 743,534.13 and 235,959.90 is: 353,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,678.65 : 743,534.13 = 235,959.90 : x
  2. Step 2: Convert to fraction form
    495,678.65/743,534.13 = 235,959.90/x
  3. Step 3: Cross multiply
    495,678.65x = 743,534.13 × 235,959.90
  4. Step 4: Simplify right side
    495,678.65x = 175,444,238,961.39
  5. Step 5: Solve for x
    x = 175,444,238,961.39/495,678.65
  6. Step 6: Final answer
    x = 353,947.54

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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.