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Finding the Fourth Proportional to 590,987.80, 885,963.30 and 354,424.60

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Solution

The fourth proportional to 590,987.80, 885,963.30 and 354,424.60 is: 531,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,987.80 : 885,963.30 = 354,424.60 : x
  2. Step 2: Convert to fraction form
    590,987.80/885,963.30 = 354,424.60/x
  3. Step 3: Cross multiply
    590,987.80x = 885,963.30 × 354,424.60
  4. Step 4: Simplify right side
    590,987.80x = 314,007,188,217.18
  5. Step 5: Solve for x
    x = 314,007,188,217.18/590,987.80
  6. Step 6: Final answer
    x = 531,326.01

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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.