Home / 349,639.37-482,327.66-220,737.59

Finding the Fourth Proportional to 349,639.37, 482,327.66 and 220,737.59

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Solution

The fourth proportional to 349,639.37, 482,327.66 and 220,737.59 is: 304,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,639.37 : 482,327.66 = 220,737.59 : x
  2. Step 2: Convert to fraction form
    349,639.37/482,327.66 = 220,737.59/x
  3. Step 3: Cross multiply
    349,639.37x = 482,327.66 × 220,737.59
  4. Step 4: Simplify right side
    349,639.37x = 106,467,845,258.74
  5. Step 5: Solve for x
    x = 106,467,845,258.74/349,639.37
  6. Step 6: Final answer
    x = 304,507.60

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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.