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Finding the Fourth Proportional to 564,676.41, 779,031.19 and 322,829.04

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Solution

The fourth proportional to 564,676.41, 779,031.19 and 322,829.04 is: 445,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,676.41 : 779,031.19 = 322,829.04 : x
  2. Step 2: Convert to fraction form
    564,676.41/779,031.19 = 322,829.04/x
  3. Step 3: Cross multiply
    564,676.41x = 779,031.19 × 322,829.04
  4. Step 4: Simplify right side
    564,676.41x = 251,493,891,197.76
  5. Step 5: Solve for x
    x = 251,493,891,197.76/564,676.41
  6. Step 6: Final answer
    x = 445,377.01

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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.