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Finding the Fourth Proportional to 491,702.10, 737,577.45 and 255,506.10

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Solution

The fourth proportional to 491,702.10, 737,577.45 and 255,506.10 is: 383,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,702.10 : 737,577.45 = 255,506.10 : x
  2. Step 2: Convert to fraction form
    491,702.10/737,577.45 = 255,506.10/x
  3. Step 3: Cross multiply
    491,702.10x = 737,577.45 × 255,506.10
  4. Step 4: Simplify right side
    491,702.10x = 188,455,537,697.45
  5. Step 5: Solve for x
    x = 188,455,537,697.45/491,702.10
  6. Step 6: Final answer
    x = 383,271.78

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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.