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Finding the Fourth Proportional to 338,366.96, 466,734.72 and 217,665.44

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Solution

The fourth proportional to 338,366.96, 466,734.72 and 217,665.44 is: 300,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,366.96 : 466,734.72 = 217,665.44 : x
  2. Step 2: Convert to fraction form
    338,366.96/466,734.72 = 217,665.44/x
  3. Step 3: Cross multiply
    338,366.96x = 466,734.72 × 217,665.44
  4. Step 4: Simplify right side
    338,366.96x = 101,592,018,192.08
  5. Step 5: Solve for x
    x = 101,592,018,192.08/338,366.96
  6. Step 6: Final answer
    x = 300,242.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.