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Finding the Fourth Proportional to 483,505.76, 725,496.24 and 217,454.24

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Solution

The fourth proportional to 483,505.76, 725,496.24 and 217,454.24 is: 326,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,505.76 : 725,496.24 = 217,454.24 : x
  2. Step 2: Convert to fraction form
    483,505.76/725,496.24 = 217,454.24/x
  3. Step 3: Cross multiply
    483,505.76x = 725,496.24 × 217,454.24
  4. Step 4: Simplify right side
    483,505.76x = 157,762,233,492.06
  5. Step 5: Solve for x
    x = 157,762,233,492.06/483,505.76
  6. Step 6: Final answer
    x = 326,288.22

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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.