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Finding the Fourth Proportional to 343,629, 474,415.38 and 224,604.36

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Solution

The fourth proportional to 343,629, 474,415.38 and 224,604.36 is: 310,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,629 : 474,415.38 = 224,604.36 : x
  2. Step 2: Convert to fraction form
    343,629/474,415.38 = 224,604.36/x
  3. Step 3: Cross multiply
    343,629x = 474,415.38 × 224,604.36
  4. Step 4: Simplify right side
    343,629x = 106,555,762,799.06
  5. Step 5: Solve for x
    x = 106,555,762,799.06/343,629
  6. Step 6: Final answer
    x = 310,089.55

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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.