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Finding the Fourth Proportional to 803,940.83, 1,108,697.83 and 546,203.55

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Solution

The fourth proportional to 803,940.83, 1,108,697.83 and 546,203.55 is: 753,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,940.83 : 1,108,697.83 = 546,203.55 : x
  2. Step 2: Convert to fraction form
    803,940.83/1,108,697.83 = 546,203.55/x
  3. Step 3: Cross multiply
    803,940.83x = 1,108,697.83 × 546,203.55
  4. Step 4: Simplify right side
    803,940.83x = 605,574,693,415.40
  5. Step 5: Solve for x
    x = 605,574,693,415.40/803,940.83
  6. Step 6: Final answer
    x = 753,257.79

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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.