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Finding the Fourth Proportional to 532,464.36, 734,818 and 290,759.56

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Solution

The fourth proportional to 532,464.36, 734,818 and 290,759.56 is: 401,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,464.36 : 734,818 = 290,759.56 : x
  2. Step 2: Convert to fraction form
    532,464.36/734,818 = 290,759.56/x
  3. Step 3: Cross multiply
    532,464.36x = 734,818 × 290,759.56
  4. Step 4: Simplify right side
    532,464.36x = 213,655,358,360.08
  5. Step 5: Solve for x
    x = 213,655,358,360.08/532,464.36
  6. Step 6: Final answer
    x = 401,257.58

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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.