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Finding the Fourth Proportional to 251,511.84, 346,934.52 and 154,732.20

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Solution

The fourth proportional to 251,511.84, 346,934.52 and 154,732.20 is: 213,437.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,511.84 : 346,934.52 = 154,732.20 : x
  2. Step 2: Convert to fraction form
    251,511.84/346,934.52 = 154,732.20/x
  3. Step 3: Cross multiply
    251,511.84x = 346,934.52 × 154,732.20
  4. Step 4: Simplify right side
    251,511.84x = 53,681,941,535.54
  5. Step 5: Solve for x
    x = 53,681,941,535.54/251,511.84
  6. Step 6: Final answer
    x = 213,437.04

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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.