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Finding the Fourth Proportional to 526,363.67, 726,348.03 and 299,994.59

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Solution

The fourth proportional to 526,363.67, 726,348.03 and 299,994.59 is: 413,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,363.67 : 726,348.03 = 299,994.59 : x
  2. Step 2: Convert to fraction form
    526,363.67/726,348.03 = 299,994.59/x
  3. Step 3: Cross multiply
    526,363.67x = 726,348.03 × 299,994.59
  4. Step 4: Simplify right side
    526,363.67x = 217,900,478,593.55
  5. Step 5: Solve for x
    x = 217,900,478,593.55/526,363.67
  6. Step 6: Final answer
    x = 413,973.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.