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Finding the Fourth Proportional to 255,797.72, 383,328.74 and 175,925.87

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Solution

The fourth proportional to 255,797.72, 383,328.74 and 175,925.87 is: 263,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,797.72 : 383,328.74 = 175,925.87 : x
  2. Step 2: Convert to fraction form
    255,797.72/383,328.74 = 175,925.87/x
  3. Step 3: Cross multiply
    255,797.72x = 383,328.74 × 175,925.87
  4. Step 4: Simplify right side
    255,797.72x = 67,437,442,991.17
  5. Step 5: Solve for x
    x = 67,437,442,991.17/255,797.72
  6. Step 6: Final answer
    x = 263,635.83

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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.