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Finding the Fourth Proportional to 292,544.40, 403,690.32 and 171,690.60

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Solution

The fourth proportional to 292,544.40, 403,690.32 and 171,690.60 is: 236,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,544.40 : 403,690.32 = 171,690.60 : x
  2. Step 2: Convert to fraction form
    292,544.40/403,690.32 = 171,690.60/x
  3. Step 3: Cross multiply
    292,544.40x = 403,690.32 × 171,690.60
  4. Step 4: Simplify right side
    292,544.40x = 69,309,833,254.99
  5. Step 5: Solve for x
    x = 69,309,833,254.99/292,544.40
  6. Step 6: Final answer
    x = 236,920.73

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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.