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Finding the Fourth Proportional to 324,810.72, 448,225.44 and 188,838.90

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Solution

The fourth proportional to 324,810.72, 448,225.44 and 188,838.90 is: 260,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,810.72 : 448,225.44 = 188,838.90 : x
  2. Step 2: Convert to fraction form
    324,810.72/448,225.44 = 188,838.90/x
  3. Step 3: Cross multiply
    324,810.72x = 448,225.44 × 188,838.90
  4. Step 4: Simplify right side
    324,810.72x = 84,642,399,041.62
  5. Step 5: Solve for x
    x = 84,642,399,041.62/324,810.72
  6. Step 6: Final answer
    x = 260,589.92

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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.