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Finding the Fourth Proportional to 666,343.00, 999,513.68 and 217,063.13

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Solution

The fourth proportional to 666,343.00, 999,513.68 and 217,063.13 is: 325,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,343.00 : 999,513.68 = 217,063.13 : x
  2. Step 2: Convert to fraction form
    666,343.00/999,513.68 = 217,063.13/x
  3. Step 3: Cross multiply
    666,343.00x = 999,513.68 × 217,063.13
  4. Step 4: Simplify right side
    666,343.00x = 216,957,569,229.47
  5. Step 5: Solve for x
    x = 216,957,569,229.47/666,343.00
  6. Step 6: Final answer
    x = 325,594.43

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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.