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Finding the Fourth Proportional to 467,448.80, 700,366.80 and 217,618.40

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Solution

The fourth proportional to 467,448.80, 700,366.80 and 217,618.40 is: 326,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,448.80 : 700,366.80 = 217,618.40 : x
  2. Step 2: Convert to fraction form
    467,448.80/700,366.80 = 217,618.40/x
  3. Step 3: Cross multiply
    467,448.80x = 700,366.80 × 217,618.40
  4. Step 4: Simplify right side
    467,448.80x = 152,412,702,429.12
  5. Step 5: Solve for x
    x = 152,412,702,429.12/467,448.80
  6. Step 6: Final answer
    x = 326,052.18

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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.