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Finding the Fourth Proportional to 251,252.83, 346,909.92 and 154,586.76

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Solution

The fourth proportional to 251,252.83, 346,909.92 and 154,586.76 is: 213,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,252.83 : 346,909.92 = 154,586.76 : x
  2. Step 2: Convert to fraction form
    251,252.83/346,909.92 = 154,586.76/x
  3. Step 3: Cross multiply
    251,252.83x = 346,909.92 × 154,586.76
  4. Step 4: Simplify right side
    251,252.83x = 53,627,680,544.66
  5. Step 5: Solve for x
    x = 53,627,680,544.66/251,252.83
  6. Step 6: Final answer
    x = 213,441.10

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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.