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Finding the Fourth Proportional to 454,497.84, 628,340.78 and 341,123.76

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Solution

The fourth proportional to 454,497.84, 628,340.78 and 341,123.76 is: 471,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,497.84 : 628,340.78 = 341,123.76 : x
  2. Step 2: Convert to fraction form
    454,497.84/628,340.78 = 341,123.76/x
  3. Step 3: Cross multiply
    454,497.84x = 628,340.78 × 341,123.76
  4. Step 4: Simplify right side
    454,497.84x = 214,341,969,434.93
  5. Step 5: Solve for x
    x = 214,341,969,434.93/454,497.84
  6. Step 6: Final answer
    x = 471,601.73

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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.