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Finding the Fourth Proportional to 506,724.48, 759,832.32 and 169,649.28

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Solution

The fourth proportional to 506,724.48, 759,832.32 and 169,649.28 is: 254,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,724.48 : 759,832.32 = 169,649.28 : x
  2. Step 2: Convert to fraction form
    506,724.48/759,832.32 = 169,649.28/x
  3. Step 3: Cross multiply
    506,724.48x = 759,832.32 × 169,649.28
  4. Step 4: Simplify right side
    506,724.48x = 128,905,006,008.73
  5. Step 5: Solve for x
    x = 128,905,006,008.73/506,724.48
  6. Step 6: Final answer
    x = 254,388.75

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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.