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Finding the Fourth Proportional to 338,381.54, 466,966.52 and 202,421.21

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Solution

The fourth proportional to 338,381.54, 466,966.52 and 202,421.21 is: 279,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,381.54 : 466,966.52 = 202,421.21 : x
  2. Step 2: Convert to fraction form
    338,381.54/466,966.52 = 202,421.21/x
  3. Step 3: Cross multiply
    338,381.54x = 466,966.52 × 202,421.21
  4. Step 4: Simplify right side
    338,381.54x = 94,523,924,660.95
  5. Step 5: Solve for x
    x = 94,523,924,660.95/338,381.54
  6. Step 6: Final answer
    x = 279,341.26

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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.