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Finding the Fourth Proportional to 532,452.33, 734,814.15 and 290,757.45

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Solution

The fourth proportional to 532,452.33, 734,814.15 and 290,757.45 is: 401,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,452.33 : 734,814.15 = 290,757.45 : x
  2. Step 2: Convert to fraction form
    532,452.33/734,814.15 = 290,757.45/x
  3. Step 3: Cross multiply
    532,452.33x = 734,814.15 × 290,757.45
  4. Step 4: Simplify right side
    532,452.33x = 213,652,688,477.92
  5. Step 5: Solve for x
    x = 213,652,688,477.92/532,452.33
  6. Step 6: Final answer
    x = 401,261.63

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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.