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Finding the Fourth Proportional to 308,895.92, 462,860.04 and 246,549.68

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Solution

The fourth proportional to 308,895.92, 462,860.04 and 246,549.68 is: 369,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,895.92 : 462,860.04 = 246,549.68 : x
  2. Step 2: Convert to fraction form
    308,895.92/462,860.04 = 246,549.68/x
  3. Step 3: Cross multiply
    308,895.92x = 462,860.04 × 246,549.68
  4. Step 4: Simplify right side
    308,895.92x = 114,117,994,746.79
  5. Step 5: Solve for x
    x = 114,117,994,746.79/308,895.92
  6. Step 6: Final answer
    x = 369,438.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.