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Finding the Fourth Proportional to 354,773.40, 532,332.90 and 270,504.60

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Solution

The fourth proportional to 354,773.40, 532,332.90 and 270,504.60 is: 405,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,773.40 : 532,332.90 = 270,504.60 : x
  2. Step 2: Convert to fraction form
    354,773.40/532,332.90 = 270,504.60/x
  3. Step 3: Cross multiply
    354,773.40x = 532,332.90 × 270,504.60
  4. Step 4: Simplify right side
    354,773.40x = 143,998,498,181.34
  5. Step 5: Solve for x
    x = 143,998,498,181.34/354,773.40
  6. Step 6: Final answer
    x = 405,888.66

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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.