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Finding the Fourth Proportional to 532,052.38, 734,247.87 and 290,350.53

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Solution

The fourth proportional to 532,052.38, 734,247.87 and 290,350.53 is: 400,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,052.38 : 734,247.87 = 290,350.53 : x
  2. Step 2: Convert to fraction form
    532,052.38/734,247.87 = 290,350.53/x
  3. Step 3: Cross multiply
    532,052.38x = 734,247.87 × 290,350.53
  4. Step 4: Simplify right side
    532,052.38x = 213,189,257,117.06
  5. Step 5: Solve for x
    x = 213,189,257,117.06/532,052.38
  6. Step 6: Final answer
    x = 400,692.23

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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.