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Finding the Fourth Proportional to 504,574.11, 756,113.74 and 415,251.16

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Solution

The fourth proportional to 504,574.11, 756,113.74 and 415,251.16 is: 622,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,574.11 : 756,113.74 = 415,251.16 : x
  2. Step 2: Convert to fraction form
    504,574.11/756,113.74 = 415,251.16/x
  3. Step 3: Cross multiply
    504,574.11x = 756,113.74 × 415,251.16
  4. Step 4: Simplify right side
    504,574.11x = 313,977,104,698.53
  5. Step 5: Solve for x
    x = 313,977,104,698.53/504,574.11
  6. Step 6: Final answer
    x = 622,261.62

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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.