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Finding the Fourth Proportional to 292,378.68, 403,356.78 and 171,556.92

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Solution

The fourth proportional to 292,378.68, 403,356.78 and 171,556.92 is: 236,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,378.68 : 403,356.78 = 171,556.92 : x
  2. Step 2: Convert to fraction form
    292,378.68/403,356.78 = 171,556.92/x
  3. Step 3: Cross multiply
    292,378.68x = 403,356.78 × 171,556.92
  4. Step 4: Simplify right side
    292,378.68x = 69,198,646,837.92
  5. Step 5: Solve for x
    x = 69,198,646,837.92/292,378.68
  6. Step 6: Final answer
    x = 236,674.74

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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.