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Finding the Fourth Proportional to 599,323.28, 898,978.72 and 346,442.84

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Solution

The fourth proportional to 599,323.28, 898,978.72 and 346,442.84 is: 519,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,323.28 : 898,978.72 = 346,442.84 : x
  2. Step 2: Convert to fraction form
    599,323.28/898,978.72 = 346,442.84/x
  3. Step 3: Cross multiply
    599,323.28x = 898,978.72 × 346,442.84
  4. Step 4: Simplify right side
    599,323.28x = 311,444,740,856.37
  5. Step 5: Solve for x
    x = 311,444,740,856.37/599,323.28
  6. Step 6: Final answer
    x = 519,660.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.