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Finding the Fourth Proportional to 294,452.76, 406,357.02 and 167,140.20

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Solution

The fourth proportional to 294,452.76, 406,357.02 and 167,140.20 is: 230,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,452.76 : 406,357.02 = 167,140.20 : x
  2. Step 2: Convert to fraction form
    294,452.76/406,357.02 = 167,140.20/x
  3. Step 3: Cross multiply
    294,452.76x = 406,357.02 × 167,140.20
  4. Step 4: Simplify right side
    294,452.76x = 67,918,593,594.20
  5. Step 5: Solve for x
    x = 67,918,593,594.20/294,452.76
  6. Step 6: Final answer
    x = 230,660.41

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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.