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Finding the Fourth Proportional to 338,421.12, 466,073.60 and 331,073.92

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Solution

The fourth proportional to 338,421.12, 466,073.60 and 331,073.92 is: 455,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,421.12 : 466,073.60 = 331,073.92 : x
  2. Step 2: Convert to fraction form
    338,421.12/466,073.60 = 331,073.92/x
  3. Step 3: Cross multiply
    338,421.12x = 466,073.60 × 331,073.92
  4. Step 4: Simplify right side
    338,421.12x = 154,304,813,760.51
  5. Step 5: Solve for x
    x = 154,304,813,760.51/338,421.12
  6. Step 6: Final answer
    x = 455,955.04

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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.