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Finding the Fourth Proportional to 338,328.66, 466,682.40 and 217,627.32

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Solution

The fourth proportional to 338,328.66, 466,682.40 and 217,627.32 is: 300,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,328.66 : 466,682.40 = 217,627.32 : x
  2. Step 2: Convert to fraction form
    338,328.66/466,682.40 = 217,627.32/x
  3. Step 3: Cross multiply
    338,328.66x = 466,682.40 × 217,627.32
  4. Step 4: Simplify right side
    338,328.66x = 101,562,840,003.17
  5. Step 5: Solve for x
    x = 101,562,840,003.17/338,328.66
  6. Step 6: Final answer
    x = 300,189.88

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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.