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Finding the Fourth Proportional to 308,747.40, 463,120.56 and 159,030.49

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Solution

The fourth proportional to 308,747.40, 463,120.56 and 159,030.49 is: 238,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,747.40 : 463,120.56 = 159,030.49 : x
  2. Step 2: Convert to fraction form
    308,747.40/463,120.56 = 159,030.49/x
  3. Step 3: Cross multiply
    308,747.40x = 463,120.56 × 159,030.49
  4. Step 4: Simplify right side
    308,747.40x = 73,650,288,428.07
  5. Step 5: Solve for x
    x = 73,650,288,428.07/308,747.40
  6. Step 6: Final answer
    x = 238,545.45

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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.