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Finding the Fourth Proportional to 367,580.40, 551,384.64 and 114,884.16

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Solution

The fourth proportional to 367,580.40, 551,384.64 and 114,884.16 is: 172,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,580.40 : 551,384.64 = 114,884.16 : x
  2. Step 2: Convert to fraction form
    367,580.40/551,384.64 = 114,884.16/x
  3. Step 3: Cross multiply
    367,580.40x = 551,384.64 × 114,884.16
  4. Step 4: Simplify right side
    367,580.40x = 63,345,361,203.30
  5. Step 5: Solve for x
    x = 63,345,361,203.30/367,580.40
  6. Step 6: Final answer
    x = 172,330.63

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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.