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Finding the Fourth Proportional to 801,807.15, 1,105,607.16 and 510,957.98

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Solution

The fourth proportional to 801,807.15, 1,105,607.16 and 510,957.98 is: 704,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,807.15 : 1,105,607.16 = 510,957.98 : x
  2. Step 2: Convert to fraction form
    801,807.15/1,105,607.16 = 510,957.98/x
  3. Step 3: Cross multiply
    801,807.15x = 1,105,607.16 × 510,957.98
  4. Step 4: Simplify right side
    801,807.15x = 564,918,795,619.10
  5. Step 5: Solve for x
    x = 564,918,795,619.10/801,807.15
  6. Step 6: Final answer
    x = 704,556.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.