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Finding the Fourth Proportional to 474,367.22, 654,642.25 and 259,507.29

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Solution

The fourth proportional to 474,367.22, 654,642.25 and 259,507.29 is: 358,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,367.22 : 654,642.25 = 259,507.29 : x
  2. Step 2: Convert to fraction form
    474,367.22/654,642.25 = 259,507.29/x
  3. Step 3: Cross multiply
    474,367.22x = 654,642.25 × 259,507.29
  4. Step 4: Simplify right side
    474,367.22x = 169,884,438,023.14
  5. Step 5: Solve for x
    x = 169,884,438,023.14/474,367.22
  6. Step 6: Final answer
    x = 358,128.54

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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.