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Finding the Fourth Proportional to 448,343.94, 672,048.80 and 195,556.55

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Solution

The fourth proportional to 448,343.94, 672,048.80 and 195,556.55 is: 293,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,343.94 : 672,048.80 = 195,556.55 : x
  2. Step 2: Convert to fraction form
    448,343.94/672,048.80 = 195,556.55/x
  3. Step 3: Cross multiply
    448,343.94x = 672,048.80 × 195,556.55
  4. Step 4: Simplify right side
    448,343.94x = 131,423,545,461.98
  5. Step 5: Solve for x
    x = 131,423,545,461.98/448,343.94
  6. Step 6: Final answer
    x = 293,131.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.