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Finding the Fourth Proportional to 537,145.10, 804,745.65 and 256,042.70

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Solution

The fourth proportional to 537,145.10, 804,745.65 and 256,042.70 is: 383,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,145.10 : 804,745.65 = 256,042.70 : x
  2. Step 2: Convert to fraction form
    537,145.10/804,745.65 = 256,042.70/x
  3. Step 3: Cross multiply
    537,145.10x = 804,745.65 × 256,042.70
  4. Step 4: Simplify right side
    537,145.10x = 206,049,249,039.26
  5. Step 5: Solve for x
    x = 206,049,249,039.26/537,145.10
  6. Step 6: Final answer
    x = 383,600.72

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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.