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Finding the Fourth Proportional to 626,481.60, 864,098.02 and 574,964.64

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Solution

The fourth proportional to 626,481.60, 864,098.02 and 574,964.64 is: 793,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,481.60 : 864,098.02 = 574,964.64 : x
  2. Step 2: Convert to fraction form
    626,481.60/864,098.02 = 574,964.64/x
  3. Step 3: Cross multiply
    626,481.60x = 864,098.02 × 574,964.64
  4. Step 4: Simplify right side
    626,481.60x = 496,825,806,994.01
  5. Step 5: Solve for x
    x = 496,825,806,994.01/626,481.60
  6. Step 6: Final answer
    x = 793,041.34

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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.