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Finding the Fourth Proportional to 447,894.95, 618,095.03 and 246,690.95

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Solution

The fourth proportional to 447,894.95, 618,095.03 and 246,690.95 is: 340,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,894.95 : 618,095.03 = 246,690.95 : x
  2. Step 2: Convert to fraction form
    447,894.95/618,095.03 = 246,690.95/x
  3. Step 3: Cross multiply
    447,894.95x = 618,095.03 × 246,690.95
  4. Step 4: Simplify right side
    447,894.95x = 152,478,445,817.05
  5. Step 5: Solve for x
    x = 152,478,445,817.05/447,894.95
  6. Step 6: Final answer
    x = 340,433.50

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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.