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Finding the Fourth Proportional to 562,779.66, 844,192.83 and 163,420.42

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Solution

The fourth proportional to 562,779.66, 844,192.83 and 163,420.42 is: 245,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,779.66 : 844,192.83 = 163,420.42 : x
  2. Step 2: Convert to fraction form
    562,779.66/844,192.83 = 163,420.42/x
  3. Step 3: Cross multiply
    562,779.66x = 844,192.83 × 163,420.42
  4. Step 4: Simplify right side
    562,779.66x = 137,958,346,839.59
  5. Step 5: Solve for x
    x = 137,958,346,839.59/562,779.66
  6. Step 6: Final answer
    x = 245,137.41

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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.