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Finding the Fourth Proportional to 439,692.32, 606,789.15 and 248,701.88

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Solution

The fourth proportional to 439,692.32, 606,789.15 and 248,701.88 is: 343,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,692.32 : 606,789.15 = 248,701.88 : x
  2. Step 2: Convert to fraction form
    439,692.32/606,789.15 = 248,701.88/x
  3. Step 3: Cross multiply
    439,692.32x = 606,789.15 × 248,701.88
  4. Step 4: Simplify right side
    439,692.32x = 150,909,602,368.60
  5. Step 5: Solve for x
    x = 150,909,602,368.60/439,692.32
  6. Step 6: Final answer
    x = 343,216.37

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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.