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Finding the Fourth Proportional to 647,466.10, 971,199.15 and 367,530.10

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Solution

The fourth proportional to 647,466.10, 971,199.15 and 367,530.10 is: 551,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,466.10 : 971,199.15 = 367,530.10 : x
  2. Step 2: Convert to fraction form
    647,466.10/971,199.15 = 367,530.10/x
  3. Step 3: Cross multiply
    647,466.10x = 971,199.15 × 367,530.10
  4. Step 4: Simplify right side
    647,466.10x = 356,944,920,719.42
  5. Step 5: Solve for x
    x = 356,944,920,719.42/647,466.10
  6. Step 6: Final answer
    x = 551,295.15

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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.