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Finding the Fourth Proportional to 344,791.20, 517,186.80 and 176,246.40

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Solution

The fourth proportional to 344,791.20, 517,186.80 and 176,246.40 is: 264,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,791.20 : 517,186.80 = 176,246.40 : x
  2. Step 2: Convert to fraction form
    344,791.20/517,186.80 = 176,246.40/x
  3. Step 3: Cross multiply
    344,791.20x = 517,186.80 × 176,246.40
  4. Step 4: Simplify right side
    344,791.20x = 91,152,311,627.52
  5. Step 5: Solve for x
    x = 91,152,311,627.52/344,791.20
  6. Step 6: Final answer
    x = 264,369.60

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1.5x scale

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.