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Finding the Fourth Proportional to 535,820.40, 802,612.80 and 251,753.40

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Solution

The fourth proportional to 535,820.40, 802,612.80 and 251,753.40 is: 377,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,820.40 : 802,612.80 = 251,753.40 : x
  2. Step 2: Convert to fraction form
    535,820.40/802,612.80 = 251,753.40/x
  3. Step 3: Cross multiply
    535,820.40x = 802,612.80 × 251,753.40
  4. Step 4: Simplify right side
    535,820.40x = 202,060,501,283.52
  5. Step 5: Solve for x
    x = 202,060,501,283.52/535,820.40
  6. Step 6: Final answer
    x = 377,104.91

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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.