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Finding the Fourth Proportional to 349,634.93, 482,321.52 and 220,733.15

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Solution

The fourth proportional to 349,634.93, 482,321.52 and 220,733.15 is: 304,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,634.93 : 482,321.52 = 220,733.15 : x
  2. Step 2: Convert to fraction form
    349,634.93/482,321.52 = 220,733.15/x
  3. Step 3: Cross multiply
    349,634.93x = 482,321.52 × 220,733.15
  4. Step 4: Simplify right side
    349,634.93x = 106,464,346,010.78
  5. Step 5: Solve for x
    x = 106,464,346,010.78/349,634.93
  6. Step 6: Final answer
    x = 304,501.46

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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.