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Finding the Fourth Proportional to 250,909.80, 346,273.70 and 165,879.40

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Solution

The fourth proportional to 250,909.80, 346,273.70 and 165,879.40 is: 228,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,909.80 : 346,273.70 = 165,879.40 : x
  2. Step 2: Convert to fraction form
    250,909.80/346,273.70 = 165,879.40/x
  3. Step 3: Cross multiply
    250,909.80x = 346,273.70 × 165,879.40
  4. Step 4: Simplify right side
    250,909.80x = 57,439,673,591.78
  5. Step 5: Solve for x
    x = 57,439,673,591.78/250,909.80
  6. Step 6: Final answer
    x = 228,925.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.