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Finding the Fourth Proportional to 474,228.18, 654,425.67 and 259,367.58

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Solution

The fourth proportional to 474,228.18, 654,425.67 and 259,367.58 is: 357,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,228.18 : 654,425.67 = 259,367.58 : x
  2. Step 2: Convert to fraction form
    474,228.18/654,425.67 = 259,367.58/x
  3. Step 3: Cross multiply
    474,228.18x = 654,425.67 × 259,367.58
  4. Step 4: Simplify right side
    474,228.18x = 169,736,802,317.78
  5. Step 5: Solve for x
    x = 169,736,802,317.78/474,228.18
  6. Step 6: Final answer
    x = 357,922.22

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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.