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Finding the Fourth Proportional to 491,567.10, 737,374.95 and 255,371.10

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Solution

The fourth proportional to 491,567.10, 737,374.95 and 255,371.10 is: 383,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,567.10 : 737,374.95 = 255,371.10 : x
  2. Step 2: Convert to fraction form
    491,567.10/737,374.95 = 255,371.10/x
  3. Step 3: Cross multiply
    491,567.10x = 737,374.95 × 255,371.10
  4. Step 4: Simplify right side
    491,567.10x = 188,304,252,093.95
  5. Step 5: Solve for x
    x = 188,304,252,093.95/491,567.10
  6. Step 6: Final answer
    x = 383,069.27

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1.5x scale

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.