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Finding the Fourth Proportional to 367,627.20, 551,440.80 and 334,384.80

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Solution

The fourth proportional to 367,627.20, 551,440.80 and 334,384.80 is: 501,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,627.20 : 551,440.80 = 334,384.80 : x
  2. Step 2: Convert to fraction form
    367,627.20/551,440.80 = 334,384.80/x
  3. Step 3: Cross multiply
    367,627.20x = 551,440.80 × 334,384.80
  4. Step 4: Simplify right side
    367,627.20x = 184,393,421,619.84
  5. Step 5: Solve for x
    x = 184,393,421,619.84/367,627.20
  6. Step 6: Final answer
    x = 501,577.20

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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.