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Finding the Fourth Proportional to 308,717.10, 462,816.45 and 160,973.10

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Solution

The fourth proportional to 308,717.10, 462,816.45 and 160,973.10 is: 241,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,717.10 : 462,816.45 = 160,973.10 : x
  2. Step 2: Convert to fraction form
    308,717.10/462,816.45 = 160,973.10/x
  3. Step 3: Cross multiply
    308,717.10x = 462,816.45 × 160,973.10
  4. Step 4: Simplify right side
    308,717.10x = 74,500,998,687.50
  5. Step 5: Solve for x
    x = 74,500,998,687.50/308,717.10
  6. Step 6: Final answer
    x = 241,324.50

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1.5x scale

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.