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Finding the Fourth Proportional to 535,995.90, 802,827.45 and 325,266.30

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Solution

The fourth proportional to 535,995.90, 802,827.45 and 325,266.30 is: 487,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,995.90 : 802,827.45 = 325,266.30 : x
  2. Step 2: Convert to fraction form
    535,995.90/802,827.45 = 325,266.30/x
  3. Step 3: Cross multiply
    535,995.90x = 802,827.45 × 325,266.30
  4. Step 4: Simplify right side
    535,995.90x = 261,132,714,199.94
  5. Step 5: Solve for x
    x = 261,132,714,199.94/535,995.90
  6. Step 6: Final answer
    x = 487,191.63

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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.