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Finding the Fourth Proportional to 307,494.04, 424,323.48 and 178,422.52

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Solution

The fourth proportional to 307,494.04, 424,323.48 and 178,422.52 is: 246,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,494.04 : 424,323.48 = 178,422.52 : x
  2. Step 2: Convert to fraction form
    307,494.04/424,323.48 = 178,422.52/x
  3. Step 3: Cross multiply
    307,494.04x = 424,323.48 × 178,422.52
  4. Step 4: Simplify right side
    307,494.04x = 75,708,864,596.77
  5. Step 5: Solve for x
    x = 75,708,864,596.77/307,494.04
  6. Step 6: Final answer
    x = 246,212.46

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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.