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Finding the Fourth Proportional to 753,972, 1,040,483.52 and 431,687.04

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Solution

The fourth proportional to 753,972, 1,040,483.52 and 431,687.04 is: 595,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,972 : 1,040,483.52 = 431,687.04 : x
  2. Step 2: Convert to fraction form
    753,972/1,040,483.52 = 431,687.04/x
  3. Step 3: Cross multiply
    753,972x = 1,040,483.52 × 431,687.04
  4. Step 4: Simplify right side
    753,972x = 449,163,250,917.58
  5. Step 5: Solve for x
    x = 449,163,250,917.58/753,972
  6. Step 6: Final answer
    x = 595,729.35

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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.