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Finding the Fourth Proportional to 308,304.51, 462,641.27 and 108,792.66

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Solution

The fourth proportional to 308,304.51, 462,641.27 and 108,792.66 is: 163,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,304.51 : 462,641.27 = 108,792.66 : x
  2. Step 2: Convert to fraction form
    308,304.51/462,641.27 = 108,792.66/x
  3. Step 3: Cross multiply
    308,304.51x = 462,641.27 × 108,792.66
  4. Step 4: Simplify right side
    308,304.51x = 50,331,974,389.08
  5. Step 5: Solve for x
    x = 50,331,974,389.08/308,304.51
  6. Step 6: Final answer
    x = 163,254.10

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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.