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Finding the Fourth Proportional to 564,776.01, 779,198.94 and 322,887.33

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Solution

The fourth proportional to 564,776.01, 779,198.94 and 322,887.33 is: 445,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,776.01 : 779,198.94 = 322,887.33 : x
  2. Step 2: Convert to fraction form
    564,776.01/779,198.94 = 322,887.33/x
  3. Step 3: Cross multiply
    564,776.01x = 779,198.94 × 322,887.33
  4. Step 4: Simplify right side
    564,776.01x = 251,593,465,275.43
  5. Step 5: Solve for x
    x = 251,593,465,275.43/564,776.01
  6. Step 6: Final answer
    x = 445,474.77

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1.5x scale

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.