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Finding the Fourth Proportional to 593,604.64, 890,510.64 and 261,172

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Solution

The fourth proportional to 593,604.64, 890,510.64 and 261,172 is: 391,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,604.64 : 890,510.64 = 261,172 : x
  2. Step 2: Convert to fraction form
    593,604.64/890,510.64 = 261,172/x
  3. Step 3: Cross multiply
    593,604.64x = 890,510.64 × 261,172
  4. Step 4: Simplify right side
    593,604.64x = 232,576,444,870.08
  5. Step 5: Solve for x
    x = 232,576,444,870.08/593,604.64
  6. Step 6: Final answer
    x = 391,803.62

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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.