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Finding the Fourth Proportional to 674,551.80, 1,011,698.10 and 201,252.60

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Solution

The fourth proportional to 674,551.80, 1,011,698.10 and 201,252.60 is: 301,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,551.80 : 1,011,698.10 = 201,252.60 : x
  2. Step 2: Convert to fraction form
    674,551.80/1,011,698.10 = 201,252.60/x
  3. Step 3: Cross multiply
    674,551.80x = 1,011,698.10 × 201,252.60
  4. Step 4: Simplify right side
    674,551.80x = 203,606,873,040.06
  5. Step 5: Solve for x
    x = 203,606,873,040.06/674,551.80
  6. Step 6: Final answer
    x = 301,840.23

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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.