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Finding the Fourth Proportional to 833,793.60, 1,251,273.60 and 535,000.80

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Solution

The fourth proportional to 833,793.60, 1,251,273.60 and 535,000.80 is: 802,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,793.60 : 1,251,273.60 = 535,000.80 : x
  2. Step 2: Convert to fraction form
    833,793.60/1,251,273.60 = 535,000.80/x
  3. Step 3: Cross multiply
    833,793.60x = 1,251,273.60 × 535,000.80
  4. Step 4: Simplify right side
    833,793.60x = 669,432,377,018.88
  5. Step 5: Solve for x
    x = 669,432,377,018.88/833,793.60
  6. Step 6: Final answer
    x = 802,875.41

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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.