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Finding the Fourth Proportional to 299,355.19, 448,794.27 and 172,851.94

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Solution

The fourth proportional to 299,355.19, 448,794.27 and 172,851.94 is: 259,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,355.19 : 448,794.27 = 172,851.94 : x
  2. Step 2: Convert to fraction form
    299,355.19/448,794.27 = 172,851.94/x
  3. Step 3: Cross multiply
    299,355.19x = 448,794.27 × 172,851.94
  4. Step 4: Simplify right side
    299,355.19x = 77,574,958,898.03
  5. Step 5: Solve for x
    x = 77,574,958,898.03/299,355.19
  6. Step 6: Final answer
    x = 259,140.18

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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.