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Finding the Fourth Proportional to 594,540.40, 891,810.60 and 279,612.40

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Solution

The fourth proportional to 594,540.40, 891,810.60 and 279,612.40 is: 419,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,540.40 : 891,810.60 = 279,612.40 : x
  2. Step 2: Convert to fraction form
    594,540.40/891,810.60 = 279,612.40/x
  3. Step 3: Cross multiply
    594,540.40x = 891,810.60 × 279,612.40
  4. Step 4: Simplify right side
    594,540.40x = 249,361,302,211.44
  5. Step 5: Solve for x
    x = 249,361,302,211.44/594,540.40
  6. Step 6: Final answer
    x = 419,418.60

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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.