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Finding the Fourth Proportional to 547,607.01, 755,206.79 and 456,029.49

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Solution

The fourth proportional to 547,607.01, 755,206.79 and 456,029.49 is: 628,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,607.01 : 755,206.79 = 456,029.49 : x
  2. Step 2: Convert to fraction form
    547,607.01/755,206.79 = 456,029.49/x
  3. Step 3: Cross multiply
    547,607.01x = 755,206.79 × 456,029.49
  4. Step 4: Simplify right side
    547,607.01x = 344,396,570,405.28
  5. Step 5: Solve for x
    x = 344,396,570,405.28/547,607.01
  6. Step 6: Final answer
    x = 628,911.91

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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.