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Finding the Fourth Proportional to 532,661.04, 735,067.87 and 290,943.77

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Solution

The fourth proportional to 532,661.04, 735,067.87 and 290,943.77 is: 401,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,661.04 : 735,067.87 = 290,943.77 : x
  2. Step 2: Convert to fraction form
    532,661.04/735,067.87 = 290,943.77/x
  3. Step 3: Cross multiply
    532,661.04x = 735,067.87 × 290,943.77
  4. Step 4: Simplify right side
    532,661.04x = 213,863,412,900.97
  5. Step 5: Solve for x
    x = 213,863,412,900.97/532,661.04
  6. Step 6: Final answer
    x = 401,500.01

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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.