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Finding the Fourth Proportional to 484,907.66, 669,124.64 and 270,067.72

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Solution

The fourth proportional to 484,907.66, 669,124.64 and 270,067.72 is: 372,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,907.66 : 669,124.64 = 270,067.72 : x
  2. Step 2: Convert to fraction form
    484,907.66/669,124.64 = 270,067.72/x
  3. Step 3: Cross multiply
    484,907.66x = 669,124.64 × 270,067.72
  4. Step 4: Simplify right side
    484,907.66x = 180,708,965,920.62
  5. Step 5: Solve for x
    x = 180,708,965,920.62/484,907.66
  6. Step 6: Final answer
    x = 372,666.76

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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.