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Finding the Fourth Proportional to 540,919.84, 746,218.02 and 349,994.74

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Solution

The fourth proportional to 540,919.84, 746,218.02 and 349,994.74 is: 482,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,919.84 : 746,218.02 = 349,994.74 : x
  2. Step 2: Convert to fraction form
    540,919.84/746,218.02 = 349,994.74/x
  3. Step 3: Cross multiply
    540,919.84x = 746,218.02 × 349,994.74
  4. Step 4: Simplify right side
    540,919.84x = 261,172,381,893.22
  5. Step 5: Solve for x
    x = 261,172,381,893.22/540,919.84
  6. Step 6: Final answer
    x = 482,830.10

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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.