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Finding the Fourth Proportional to 564,675.41, 779,029.81 and 322,828.04

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Solution

The fourth proportional to 564,675.41, 779,029.81 and 322,828.04 is: 445,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,675.41 : 779,029.81 = 322,828.04 : x
  2. Step 2: Convert to fraction form
    564,675.41/779,029.81 = 322,828.04/x
  3. Step 3: Cross multiply
    564,675.41x = 779,029.81 × 322,828.04
  4. Step 4: Simplify right side
    564,675.41x = 251,492,666,663.87
  5. Step 5: Solve for x
    x = 251,492,666,663.87/564,675.41
  6. Step 6: Final answer
    x = 445,375.63

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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.