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Finding the Fourth Proportional to 584,660.50, 806,831.49 and 316,388.50

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Solution

The fourth proportional to 584,660.50, 806,831.49 and 316,388.50 is: 436,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,660.50 : 806,831.49 = 316,388.50 : x
  2. Step 2: Convert to fraction form
    584,660.50/806,831.49 = 316,388.50/x
  3. Step 3: Cross multiply
    584,660.50x = 806,831.49 × 316,388.50
  4. Step 4: Simplify right side
    584,660.50x = 255,272,204,873.87
  5. Step 5: Solve for x
    x = 255,272,204,873.87/584,660.50
  6. Step 6: Final answer
    x = 436,616.13

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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.