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Finding the Fourth Proportional to 564,673.94, 779,027.78 and 322,826.57

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Solution

The fourth proportional to 564,673.94, 779,027.78 and 322,826.57 is: 445,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,673.94 : 779,027.78 = 322,826.57 : x
  2. Step 2: Convert to fraction form
    564,673.94/779,027.78 = 322,826.57/x
  3. Step 3: Cross multiply
    564,673.94x = 779,027.78 × 322,826.57
  4. Step 4: Simplify right side
    564,673.94x = 251,490,860,642.84
  5. Step 5: Solve for x
    x = 251,490,860,642.84/564,673.94
  6. Step 6: Final answer
    x = 445,373.60

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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.