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Finding the Fourth Proportional to 303,062.71, 418,197.99 and 175,724.50

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Solution

The fourth proportional to 303,062.71, 418,197.99 and 175,724.50 is: 242,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,062.71 : 418,197.99 = 175,724.50 : x
  2. Step 2: Convert to fraction form
    303,062.71/418,197.99 = 175,724.50/x
  3. Step 3: Cross multiply
    303,062.71x = 418,197.99 × 175,724.50
  4. Step 4: Simplify right side
    303,062.71x = 73,487,632,693.76
  5. Step 5: Solve for x
    x = 73,487,632,693.76/303,062.71
  6. Step 6: Final answer
    x = 242,483.26

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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.