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Finding the Fourth Proportional to 694,565.16, 957,959.10 and 465,049.50

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Solution

The fourth proportional to 694,565.16, 957,959.10 and 465,049.50 is: 641,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,565.16 : 957,959.10 = 465,049.50 : x
  2. Step 2: Convert to fraction form
    694,565.16/957,959.10 = 465,049.50/x
  3. Step 3: Cross multiply
    694,565.16x = 957,959.10 × 465,049.50
  4. Step 4: Simplify right side
    694,565.16x = 445,498,400,475.45
  5. Step 5: Solve for x
    x = 445,498,400,475.45/694,565.16
  6. Step 6: Final answer
    x = 641,406.20

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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.