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Finding the Fourth Proportional to 752,104.44, 1,037,978.69 and 429,860.79

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Solution

The fourth proportional to 752,104.44, 1,037,978.69 and 429,860.79 is: 593,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,104.44 : 1,037,978.69 = 429,860.79 : x
  2. Step 2: Convert to fraction form
    752,104.44/1,037,978.69 = 429,860.79/x
  3. Step 3: Cross multiply
    752,104.44x = 1,037,978.69 × 429,860.79
  4. Step 4: Simplify right side
    752,104.44x = 446,186,337,537.26
  5. Step 5: Solve for x
    x = 446,186,337,537.26/752,104.44
  6. Step 6: Final answer
    x = 593,250.50

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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.