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Finding the Fourth Proportional to 616,251.83, 850,349.36 and 361,510.07

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Solution

The fourth proportional to 616,251.83, 850,349.36 and 361,510.07 is: 498,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,251.83 : 850,349.36 = 361,510.07 : x
  2. Step 2: Convert to fraction form
    616,251.83/850,349.36 = 361,510.07/x
  3. Step 3: Cross multiply
    616,251.83x = 850,349.36 × 361,510.07
  4. Step 4: Simplify right side
    616,251.83x = 307,409,852,406.31
  5. Step 5: Solve for x
    x = 307,409,852,406.31/616,251.83
  6. Step 6: Final answer
    x = 498,838.04

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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.