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Finding the Fourth Proportional to 522,557.83, 720,863.95 and 341,375.81

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Solution

The fourth proportional to 522,557.83, 720,863.95 and 341,375.81 is: 470,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,557.83 : 720,863.95 = 341,375.81 : x
  2. Step 2: Convert to fraction form
    522,557.83/720,863.95 = 341,375.81/x
  3. Step 3: Cross multiply
    522,557.83x = 720,863.95 × 341,375.81
  4. Step 4: Simplify right side
    522,557.83x = 246,085,514,831.05
  5. Step 5: Solve for x
    x = 246,085,514,831.05/522,557.83
  6. Step 6: Final answer
    x = 470,924.94

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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.