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Finding the Fourth Proportional to 292,393.92, 403,479.36 and 171,522.56

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Solution

The fourth proportional to 292,393.92, 403,479.36 and 171,522.56 is: 236,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,393.92 : 403,479.36 = 171,522.56 : x
  2. Step 2: Convert to fraction form
    292,393.92/403,479.36 = 171,522.56/x
  3. Step 3: Cross multiply
    292,393.92x = 403,479.36 × 171,522.56
  4. Step 4: Simplify right side
    292,393.92x = 69,205,812,734.36
  5. Step 5: Solve for x
    x = 69,205,812,734.36/292,393.92
  6. Step 6: Final answer
    x = 236,686.91

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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.