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Finding the Fourth Proportional to 625,277.88, 862,880.85 and 338,799.11

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Solution

The fourth proportional to 625,277.88, 862,880.85 and 338,799.11 is: 467,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,277.88 : 862,880.85 = 338,799.11 : x
  2. Step 2: Convert to fraction form
    625,277.88/862,880.85 = 338,799.11/x
  3. Step 3: Cross multiply
    625,277.88x = 862,880.85 × 338,799.11
  4. Step 4: Simplify right side
    625,277.88x = 292,343,259,701.64
  5. Step 5: Solve for x
    x = 292,343,259,701.64/625,277.88
  6. Step 6: Final answer
    x = 467,541.34

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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.