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Finding the Fourth Proportional to 582,773.28, 874,964.80 and 402,435.44

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Solution

The fourth proportional to 582,773.28, 874,964.80 and 402,435.44 is: 604,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,773.28 : 874,964.80 = 402,435.44 : x
  2. Step 2: Convert to fraction form
    582,773.28/874,964.80 = 402,435.44/x
  3. Step 3: Cross multiply
    582,773.28x = 874,964.80 × 402,435.44
  4. Step 4: Simplify right side
    582,773.28x = 352,116,844,272.51
  5. Step 5: Solve for x
    x = 352,116,844,272.51/582,773.28
  6. Step 6: Final answer
    x = 604,208.97

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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.