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Finding the Fourth Proportional to 473,464.76, 653,211.59 and 279,831.83

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Solution

The fourth proportional to 473,464.76, 653,211.59 and 279,831.83 is: 386,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,464.76 : 653,211.59 = 279,831.83 : x
  2. Step 2: Convert to fraction form
    473,464.76/653,211.59 = 279,831.83/x
  3. Step 3: Cross multiply
    473,464.76x = 653,211.59 × 279,831.83
  4. Step 4: Simplify right side
    473,464.76x = 182,789,396,939.52
  5. Step 5: Solve for x
    x = 182,789,396,939.52/473,464.76
  6. Step 6: Final answer
    x = 386,067.58

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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.