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Finding the Fourth Proportional to 493,406.60, 739,876.59 and 227,088.32

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Solution

The fourth proportional to 493,406.60, 739,876.59 and 227,088.32 is: 340,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,406.60 : 739,876.59 = 227,088.32 : x
  2. Step 2: Convert to fraction form
    493,406.60/739,876.59 = 227,088.32/x
  3. Step 3: Cross multiply
    493,406.60x = 739,876.59 × 227,088.32
  4. Step 4: Simplify right side
    493,406.60x = 168,017,328,131.05
  5. Step 5: Solve for x
    x = 168,017,328,131.05/493,406.60
  6. Step 6: Final answer
    x = 340,525.10

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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.