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Finding the Fourth Proportional to 450,956.71, 622,326.63 and 247,003.48

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Solution

The fourth proportional to 450,956.71, 622,326.63 and 247,003.48 is: 340,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,956.71 : 622,326.63 = 247,003.48 : x
  2. Step 2: Convert to fraction form
    450,956.71/622,326.63 = 247,003.48/x
  3. Step 3: Cross multiply
    450,956.71x = 622,326.63 × 247,003.48
  4. Step 4: Simplify right side
    450,956.71x = 153,716,843,306.67
  5. Step 5: Solve for x
    x = 153,716,843,306.67/450,956.71
  6. Step 6: Final answer
    x = 340,868.29

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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.