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Finding the Fourth Proportional to 551,684.40, 828,304.20 and 341,732.40

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Solution

The fourth proportional to 551,684.40, 828,304.20 and 341,732.40 is: 513,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,684.40 : 828,304.20 = 341,732.40 : x
  2. Step 2: Convert to fraction form
    551,684.40/828,304.20 = 341,732.40/x
  3. Step 3: Cross multiply
    551,684.40x = 828,304.20 × 341,732.40
  4. Step 4: Simplify right side
    551,684.40x = 283,058,382,196.08
  5. Step 5: Solve for x
    x = 283,058,382,196.08/551,684.40
  6. Step 6: Final answer
    x = 513,080.27

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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.