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Finding the Fourth Proportional to 609,574.08, 914,404.92 and 210,209.10

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Solution

The fourth proportional to 609,574.08, 914,404.92 and 210,209.10 is: 315,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,574.08 : 914,404.92 = 210,209.10 : x
  2. Step 2: Convert to fraction form
    609,574.08/914,404.92 = 210,209.10/x
  3. Step 3: Cross multiply
    609,574.08x = 914,404.92 × 210,209.10
  4. Step 4: Simplify right side
    609,574.08x = 192,216,235,268.77
  5. Step 5: Solve for x
    x = 192,216,235,268.77/609,574.08
  6. Step 6: Final answer
    x = 315,328.75

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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.