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Finding the Fourth Proportional to 564,675.92, 779,030.49 and 322,828.55

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Solution

The fourth proportional to 564,675.92, 779,030.49 and 322,828.55 is: 445,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,675.92 : 779,030.49 = 322,828.55 : x
  2. Step 2: Convert to fraction form
    564,675.92/779,030.49 = 322,828.55/x
  3. Step 3: Cross multiply
    564,675.92x = 779,030.49 × 322,828.55
  4. Step 4: Simplify right side
    564,675.92x = 251,493,279,597.34
  5. Step 5: Solve for x
    x = 251,493,279,597.34/564,675.92
  6. Step 6: Final answer
    x = 445,376.32

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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.