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Finding the Fourth Proportional to 622,891.72, 933,746.46 and 201,871.72

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Solution

The fourth proportional to 622,891.72, 933,746.46 and 201,871.72 is: 302,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,891.72 : 933,746.46 = 201,871.72 : x
  2. Step 2: Convert to fraction form
    622,891.72/933,746.46 = 201,871.72/x
  3. Step 3: Cross multiply
    622,891.72x = 933,746.46 × 201,871.72
  4. Step 4: Simplify right side
    622,891.72x = 188,497,003,924.11
  5. Step 5: Solve for x
    x = 188,497,003,924.11/622,891.72
  6. Step 6: Final answer
    x = 302,616.01

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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.