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Finding the Fourth Proportional to 541,712.97, 747,808.43 and 348,401.61

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Solution

The fourth proportional to 541,712.97, 747,808.43 and 348,401.61 is: 480,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,712.97 : 747,808.43 = 348,401.61 : x
  2. Step 2: Convert to fraction form
    541,712.97/747,808.43 = 348,401.61/x
  3. Step 3: Cross multiply
    541,712.97x = 747,808.43 × 348,401.61
  4. Step 4: Simplify right side
    541,712.97x = 260,537,659,241.56
  5. Step 5: Solve for x
    x = 260,537,659,241.56/541,712.97
  6. Step 6: Final answer
    x = 480,951.49

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1.5x scale

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.