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Finding the Fourth Proportional to 606,389.30, 909,511.05 and 251,366.30

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Solution

The fourth proportional to 606,389.30, 909,511.05 and 251,366.30 is: 377,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,389.30 : 909,511.05 = 251,366.30 : x
  2. Step 2: Convert to fraction form
    606,389.30/909,511.05 = 251,366.30/x
  3. Step 3: Cross multiply
    606,389.30x = 909,511.05 × 251,366.30
  4. Step 4: Simplify right side
    606,389.30x = 228,620,427,447.62
  5. Step 5: Solve for x
    x = 228,620,427,447.62/606,389.30
  6. Step 6: Final answer
    x = 377,019.23

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1.5x scale

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.