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Finding the Fourth Proportional to 266,435.70, 399,653.55 and 182,454.90

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Solution

The fourth proportional to 266,435.70, 399,653.55 and 182,454.90 is: 273,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,435.70 : 399,653.55 = 182,454.90 : x
  2. Step 2: Convert to fraction form
    266,435.70/399,653.55 = 182,454.90/x
  3. Step 3: Cross multiply
    266,435.70x = 399,653.55 × 182,454.90
  4. Step 4: Simplify right side
    266,435.70x = 72,918,748,499.90
  5. Step 5: Solve for x
    x = 72,918,748,499.90/266,435.70
  6. Step 6: Final answer
    x = 273,682.35

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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.