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Finding the Fourth Proportional to 329,433.74, 454,618.95 and 178,530.74

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Solution

The fourth proportional to 329,433.74, 454,618.95 and 178,530.74 is: 246,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,433.74 : 454,618.95 = 178,530.74 : x
  2. Step 2: Convert to fraction form
    329,433.74/454,618.95 = 178,530.74/x
  3. Step 3: Cross multiply
    329,433.74x = 454,618.95 × 178,530.74
  4. Step 4: Simplify right side
    329,433.74x = 81,163,457,561.52
  5. Step 5: Solve for x
    x = 81,163,457,561.52/329,433.74
  6. Step 6: Final answer
    x = 246,372.63

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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.