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Finding the Fourth Proportional to 483,802.39, 725,856.66 and 217,586.17

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Solution

The fourth proportional to 483,802.39, 725,856.66 and 217,586.17 is: 326,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,802.39 : 725,856.66 = 217,586.17 : x
  2. Step 2: Convert to fraction form
    483,802.39/725,856.66 = 217,586.17/x
  3. Step 3: Cross multiply
    483,802.39x = 725,856.66 × 217,586.17
  4. Step 4: Simplify right side
    483,802.39x = 157,936,370,618.39
  5. Step 5: Solve for x
    x = 157,936,370,618.39/483,802.39
  6. Step 6: Final answer
    x = 326,448.10

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1.5x scale

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.