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Finding the Fourth Proportional to 532,165.44, 734,390.35 and 290,453.34

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Solution

The fourth proportional to 532,165.44, 734,390.35 and 290,453.34 is: 400,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,165.44 : 734,390.35 = 290,453.34 : x
  2. Step 2: Convert to fraction form
    532,165.44/734,390.35 = 290,453.34/x
  3. Step 3: Cross multiply
    532,165.44x = 734,390.35 × 290,453.34
  4. Step 4: Simplify right side
    532,165.44x = 213,306,132,049.10
  5. Step 5: Solve for x
    x = 213,306,132,049.10/532,165.44
  6. Step 6: Final answer
    x = 400,826.73

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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.