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Finding the Fourth Proportional to 300,243.55, 414,332.35 and 171,177.92

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Solution

The fourth proportional to 300,243.55, 414,332.35 and 171,177.92 is: 236,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,243.55 : 414,332.35 = 171,177.92 : x
  2. Step 2: Convert to fraction form
    300,243.55/414,332.35 = 171,177.92/x
  3. Step 3: Cross multiply
    300,243.55x = 414,332.35 × 171,177.92
  4. Step 4: Simplify right side
    300,243.55x = 70,924,549,861.71
  5. Step 5: Solve for x
    x = 70,924,549,861.71/300,243.55
  6. Step 6: Final answer
    x = 236,223.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.