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Finding the Fourth Proportional to 483,808.92, 725,463.36 and 217,341.60

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Solution

The fourth proportional to 483,808.92, 725,463.36 and 217,341.60 is: 325,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,808.92 : 725,463.36 = 217,341.60 : x
  2. Step 2: Convert to fraction form
    483,808.92/725,463.36 = 217,341.60/x
  3. Step 3: Cross multiply
    483,808.92x = 725,463.36 × 217,341.60
  4. Step 4: Simplify right side
    483,808.92x = 157,673,367,403.78
  5. Step 5: Solve for x
    x = 157,673,367,403.78/483,808.92
  6. Step 6: Final answer
    x = 325,900.08

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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.