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Finding the Fourth Proportional to 269,155.80, 403,733.70 and 251,530.20

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Solution

The fourth proportional to 269,155.80, 403,733.70 and 251,530.20 is: 377,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,155.80 : 403,733.70 = 251,530.20 : x
  2. Step 2: Convert to fraction form
    269,155.80/403,733.70 = 251,530.20/x
  3. Step 3: Cross multiply
    269,155.80x = 403,733.70 × 251,530.20
  4. Step 4: Simplify right side
    269,155.80x = 101,551,218,307.74
  5. Step 5: Solve for x
    x = 101,551,218,307.74/269,155.80
  6. Step 6: Final answer
    x = 377,295.30

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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.