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Finding the Fourth Proportional to 536,965.40, 805,392.66 and 181,970.24

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Solution

The fourth proportional to 536,965.40, 805,392.66 and 181,970.24 is: 272,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,965.40 : 805,392.66 = 181,970.24 : x
  2. Step 2: Convert to fraction form
    536,965.40/805,392.66 = 181,970.24/x
  3. Step 3: Cross multiply
    536,965.40x = 805,392.66 × 181,970.24
  4. Step 4: Simplify right side
    536,965.40x = 146,557,495,634.44
  5. Step 5: Solve for x
    x = 146,557,495,634.44/536,965.40
  6. Step 6: Final answer
    x = 272,936.57

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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.