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Finding the Fourth Proportional to 564,040.60, 778,415.62 and 322,358.92

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Solution

The fourth proportional to 564,040.60, 778,415.62 and 322,358.92 is: 444,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,040.60 : 778,415.62 = 322,358.92 : x
  2. Step 2: Convert to fraction form
    564,040.60/778,415.62 = 322,358.92/x
  3. Step 3: Cross multiply
    564,040.60x = 778,415.62 × 322,358.92
  4. Step 4: Simplify right side
    564,040.60x = 250,929,218,574.33
  5. Step 5: Solve for x
    x = 250,929,218,574.33/564,040.60
  6. Step 6: Final answer
    x = 444,877.94

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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.