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Finding the Fourth Proportional to 559,353.79, 838,468.87 and 179,995.72

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Solution

The fourth proportional to 559,353.79, 838,468.87 and 179,995.72 is: 269,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,353.79 : 838,468.87 = 179,995.72 : x
  2. Step 2: Convert to fraction form
    559,353.79/838,468.87 = 179,995.72/x
  3. Step 3: Cross multiply
    559,353.79x = 838,468.87 × 179,995.72
  4. Step 4: Simplify right side
    559,353.79x = 150,920,807,953.24
  5. Step 5: Solve for x
    x = 150,920,807,953.24/559,353.79
  6. Step 6: Final answer
    x = 269,812.79

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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.