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Finding the Fourth Proportional to 532,653.98, 735,058.11 and 290,936.72

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Solution

The fourth proportional to 532,653.98, 735,058.11 and 290,936.72 is: 401,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,653.98 : 735,058.11 = 290,936.72 : x
  2. Step 2: Convert to fraction form
    532,653.98/735,058.11 = 290,936.72/x
  3. Step 3: Cross multiply
    532,653.98x = 735,058.11 × 290,936.72
  4. Step 4: Simplify right side
    532,653.98x = 213,855,395,532.80
  5. Step 5: Solve for x
    x = 213,855,395,532.80/532,653.98
  6. Step 6: Final answer
    x = 401,490.28

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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.