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Finding the Fourth Proportional to 307,168.24, 423,894.24 and 171,210.92

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Solution

The fourth proportional to 307,168.24, 423,894.24 and 171,210.92 is: 236,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,168.24 : 423,894.24 = 171,210.92 : x
  2. Step 2: Convert to fraction form
    307,168.24/423,894.24 = 171,210.92/x
  3. Step 3: Cross multiply
    307,168.24x = 423,894.24 × 171,210.92
  4. Step 4: Simplify right side
    307,168.24x = 72,575,322,813.10
  5. Step 5: Solve for x
    x = 72,575,322,813.10/307,168.24
  6. Step 6: Final answer
    x = 236,272.22

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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.