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Finding the Fourth Proportional to 416,295.83, 574,488.22 and 225,309.21

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Solution

The fourth proportional to 416,295.83, 574,488.22 and 225,309.21 is: 310,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,295.83 : 574,488.22 = 225,309.21 : x
  2. Step 2: Convert to fraction form
    416,295.83/574,488.22 = 225,309.21/x
  3. Step 3: Cross multiply
    416,295.83x = 574,488.22 × 225,309.21
  4. Step 4: Simplify right side
    416,295.83x = 129,437,487,002.51
  5. Step 5: Solve for x
    x = 129,437,487,002.51/416,295.83
  6. Step 6: Final answer
    x = 310,926.70

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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.