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Finding the Fourth Proportional to 314,423.63, 433,904.67 and 171,183.68

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Solution

The fourth proportional to 314,423.63, 433,904.67 and 171,183.68 is: 236,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,423.63 : 433,904.67 = 171,183.68 : x
  2. Step 2: Convert to fraction form
    314,423.63/433,904.67 = 171,183.68/x
  3. Step 3: Cross multiply
    314,423.63x = 433,904.67 × 171,183.68
  4. Step 4: Simplify right side
    314,423.63x = 74,277,398,179.79
  5. Step 5: Solve for x
    x = 74,277,398,179.79/314,423.63
  6. Step 6: Final answer
    x = 236,233.51

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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.