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Finding the Fourth Proportional to 295,832.34, 408,248.55 and 161,696.34

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Solution

The fourth proportional to 295,832.34, 408,248.55 and 161,696.34 is: 223,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,832.34 : 408,248.55 = 161,696.34 : x
  2. Step 2: Convert to fraction form
    295,832.34/408,248.55 = 161,696.34/x
  3. Step 3: Cross multiply
    295,832.34x = 408,248.55 × 161,696.34
  4. Step 4: Simplify right side
    295,832.34x = 66,012,296,345.31
  5. Step 5: Solve for x
    x = 66,012,296,345.31/295,832.34
  6. Step 6: Final answer
    x = 223,140.91

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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.