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Finding the Fourth Proportional to 292,378.30, 403,485.41 and 171,521.64

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Solution

The fourth proportional to 292,378.30, 403,485.41 and 171,521.64 is: 236,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,378.30 : 403,485.41 = 171,521.64 : x
  2. Step 2: Convert to fraction form
    292,378.30/403,485.41 = 171,521.64/x
  3. Step 3: Cross multiply
    292,378.30x = 403,485.41 × 171,521.64
  4. Step 4: Simplify right side
    292,378.30x = 69,206,479,239.27
  5. Step 5: Solve for x
    x = 69,206,479,239.27/292,378.30
  6. Step 6: Final answer
    x = 236,701.83

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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.