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Finding the Fourth Proportional to 564,850.50, 779,562.84 and 326,386.50

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Solution

The fourth proportional to 564,850.50, 779,562.84 and 326,386.50 is: 450,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,850.50 : 779,562.84 = 326,386.50 : x
  2. Step 2: Convert to fraction form
    564,850.50/779,562.84 = 326,386.50/x
  3. Step 3: Cross multiply
    564,850.50x = 779,562.84 × 326,386.50
  4. Step 4: Simplify right side
    564,850.50x = 254,438,786,877.66
  5. Step 5: Solve for x
    x = 254,438,786,877.66/564,850.50
  6. Step 6: Final answer
    x = 450,453.33

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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.