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Finding the Fourth Proportional to 536,811.72, 805,392.54 and 270,551.76

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Solution

The fourth proportional to 536,811.72, 805,392.54 and 270,551.76 is: 405,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,811.72 : 805,392.54 = 270,551.76 : x
  2. Step 2: Convert to fraction form
    536,811.72/805,392.54 = 270,551.76/x
  3. Step 3: Cross multiply
    536,811.72x = 805,392.54 × 270,551.76
  4. Step 4: Simplify right side
    536,811.72x = 217,900,369,187.87
  5. Step 5: Solve for x
    x = 217,900,369,187.87/536,811.72
  6. Step 6: Final answer
    x = 405,915.82

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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.