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Finding the Fourth Proportional to 653,107.20, 979,603.20 and 179,750.40

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Solution

The fourth proportional to 653,107.20, 979,603.20 and 179,750.40 is: 269,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,107.20 : 979,603.20 = 179,750.40 : x
  2. Step 2: Convert to fraction form
    653,107.20/979,603.20 = 179,750.40/x
  3. Step 3: Cross multiply
    653,107.20x = 979,603.20 × 179,750.40
  4. Step 4: Simplify right side
    653,107.20x = 176,084,067,041.28
  5. Step 5: Solve for x
    x = 176,084,067,041.28/653,107.20
  6. Step 6: Final answer
    x = 269,609.75

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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.