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Finding the Fourth Proportional to 447,967.01, 618,194.48 and 246,763.01

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Solution

The fourth proportional to 447,967.01, 618,194.48 and 246,763.01 is: 340,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,967.01 : 618,194.48 = 246,763.01 : x
  2. Step 2: Convert to fraction form
    447,967.01/618,194.48 = 246,763.01/x
  3. Step 3: Cross multiply
    447,967.01x = 618,194.48 × 246,763.01
  4. Step 4: Simplify right side
    447,967.01x = 152,547,526,325.40
  5. Step 5: Solve for x
    x = 152,547,526,325.40/447,967.01
  6. Step 6: Final answer
    x = 340,532.95

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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.