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Finding the Fourth Proportional to 417,109.61, 625,688.81 and 160,943.56

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Solution

The fourth proportional to 417,109.61, 625,688.81 and 160,943.56 is: 241,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,109.61 : 625,688.81 = 160,943.56 : x
  2. Step 2: Convert to fraction form
    417,109.61/625,688.81 = 160,943.56/x
  3. Step 3: Cross multiply
    417,109.61x = 625,688.81 × 160,943.56
  4. Step 4: Simplify right side
    417,109.61x = 100,700,582,660.50
  5. Step 5: Solve for x
    x = 100,700,582,660.50/417,109.61
  6. Step 6: Final answer
    x = 241,424.75

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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.