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Finding the Fourth Proportional to 419,244.36, 578,752.20 and 247,108.08

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Solution

The fourth proportional to 419,244.36, 578,752.20 and 247,108.08 is: 341,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,244.36 : 578,752.20 = 247,108.08 : x
  2. Step 2: Convert to fraction form
    419,244.36/578,752.20 = 247,108.08/x
  3. Step 3: Cross multiply
    419,244.36x = 578,752.20 × 247,108.08
  4. Step 4: Simplify right side
    419,244.36x = 143,014,344,937.78
  5. Step 5: Solve for x
    x = 143,014,344,937.78/419,244.36
  6. Step 6: Final answer
    x = 341,124.08

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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.