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Finding the Fourth Proportional to 451,030.32, 622,422.08 and 247,088.62

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Solution

The fourth proportional to 451,030.32, 622,422.08 and 247,088.62 is: 340,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,030.32 : 622,422.08 = 247,088.62 : x
  2. Step 2: Convert to fraction form
    451,030.32/622,422.08 = 247,088.62/x
  3. Step 3: Cross multiply
    451,030.32x = 622,422.08 × 247,088.62
  4. Step 4: Simplify right side
    451,030.32x = 153,793,412,804.73
  5. Step 5: Solve for x
    x = 153,793,412,804.73/451,030.32
  6. Step 6: Final answer
    x = 340,982.43

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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.