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Finding the Fourth Proportional to 537,005.30, 804,586.35 and 255,917.30

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Solution

The fourth proportional to 537,005.30, 804,586.35 and 255,917.30 is: 383,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,005.30 : 804,586.35 = 255,917.30 : x
  2. Step 2: Convert to fraction form
    537,005.30/804,586.35 = 255,917.30/x
  3. Step 3: Cross multiply
    537,005.30x = 804,586.35 × 255,917.30
  4. Step 4: Simplify right side
    537,005.30x = 205,907,566,308.86
  5. Step 5: Solve for x
    x = 205,907,566,308.86/537,005.30
  6. Step 6: Final answer
    x = 383,436.75

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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.