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Finding the Fourth Proportional to 292,760.32, 403,986.72 and 178,023.22

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Solution

The fourth proportional to 292,760.32, 403,986.72 and 178,023.22 is: 245,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,760.32 : 403,986.72 = 178,023.22 : x
  2. Step 2: Convert to fraction form
    292,760.32/403,986.72 = 178,023.22/x
  3. Step 3: Cross multiply
    292,760.32x = 403,986.72 × 178,023.22
  4. Step 4: Simplify right side
    292,760.32x = 71,919,016,731.64
  5. Step 5: Solve for x
    x = 71,919,016,731.64/292,760.32
  6. Step 6: Final answer
    x = 245,658.35

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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.