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Finding the Fourth Proportional to 609,907.32, 842,092.20 and 466,417.44

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Solution

The fourth proportional to 609,907.32, 842,092.20 and 466,417.44 is: 643,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,907.32 : 842,092.20 = 466,417.44 : x
  2. Step 2: Convert to fraction form
    609,907.32/842,092.20 = 466,417.44/x
  3. Step 3: Cross multiply
    609,907.32x = 842,092.20 × 466,417.44
  4. Step 4: Simplify right side
    609,907.32x = 392,766,488,167.97
  5. Step 5: Solve for x
    x = 392,766,488,167.97/609,907.32
  6. Step 6: Final answer
    x = 643,977.33

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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.