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Finding the Fourth Proportional to 609,298.62, 914,134.77 and 272,622.66

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Solution

The fourth proportional to 609,298.62, 914,134.77 and 272,622.66 is: 409,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,298.62 : 914,134.77 = 272,622.66 : x
  2. Step 2: Convert to fraction form
    609,298.62/914,134.77 = 272,622.66/x
  3. Step 3: Cross multiply
    609,298.62x = 914,134.77 × 272,622.66
  4. Step 4: Simplify right side
    609,298.62x = 249,213,852,595.89
  5. Step 5: Solve for x
    x = 249,213,852,595.89/609,298.62
  6. Step 6: Final answer
    x = 409,017.59

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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.