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Finding the Fourth Proportional to 536,867.91, 805,342.95 and 176,898.60

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Solution

The fourth proportional to 536,867.91, 805,342.95 and 176,898.60 is: 265,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,867.91 : 805,342.95 = 176,898.60 : x
  2. Step 2: Convert to fraction form
    536,867.91/805,342.95 = 176,898.60/x
  3. Step 3: Cross multiply
    536,867.91x = 805,342.95 × 176,898.60
  4. Step 4: Simplify right side
    536,867.91x = 142,464,040,374.87
  5. Step 5: Solve for x
    x = 142,464,040,374.87/536,867.91
  6. Step 6: Final answer
    x = 265,361.44

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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.