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Finding the Fourth Proportional to 340,521.06, 469,922.23 and 187,559.80

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Solution

The fourth proportional to 340,521.06, 469,922.23 and 187,559.80 is: 258,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,521.06 : 469,922.23 = 187,559.80 : x
  2. Step 2: Convert to fraction form
    340,521.06/469,922.23 = 187,559.80/x
  3. Step 3: Cross multiply
    340,521.06x = 469,922.23 × 187,559.80
  4. Step 4: Simplify right side
    340,521.06x = 88,138,519,711.36
  5. Step 5: Solve for x
    x = 88,138,519,711.36/340,521.06
  6. Step 6: Final answer
    x = 258,834.27

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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.