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Finding the Fourth Proportional to 448,210.22, 618,530.12 and 247,006.22

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Solution

The fourth proportional to 448,210.22, 618,530.12 and 247,006.22 is: 340,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,210.22 : 618,530.12 = 247,006.22 : x
  2. Step 2: Convert to fraction form
    448,210.22/618,530.12 = 247,006.22/x
  3. Step 3: Cross multiply
    448,210.22x = 618,530.12 × 247,006.22
  4. Step 4: Simplify right side
    448,210.22x = 152,780,784,889.15
  5. Step 5: Solve for x
    x = 152,780,784,889.15/448,210.22
  6. Step 6: Final answer
    x = 340,868.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.