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Finding the Fourth Proportional to 416,559.83, 574,422.54 and 356,329.85

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Solution

The fourth proportional to 416,559.83, 574,422.54 and 356,329.85 is: 491,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,559.83 : 574,422.54 = 356,329.85 : x
  2. Step 2: Convert to fraction form
    416,559.83/574,422.54 = 356,329.85/x
  3. Step 3: Cross multiply
    416,559.83x = 574,422.54 × 356,329.85
  4. Step 4: Simplify right side
    416,559.83x = 204,683,894,642.71
  5. Step 5: Solve for x
    x = 204,683,894,642.71/416,559.83
  6. Step 6: Final answer
    x = 491,367.34

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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.