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Finding the Fourth Proportional to 564,069.52, 778,408.68 and 322,349.32

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Solution

The fourth proportional to 564,069.52, 778,408.68 and 322,349.32 is: 444,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,069.52 : 778,408.68 = 322,349.32 : x
  2. Step 2: Convert to fraction form
    564,069.52/778,408.68 = 322,349.32/x
  3. Step 3: Cross multiply
    564,069.52x = 778,408.68 × 322,349.32
  4. Step 4: Simplify right side
    564,069.52x = 250,919,508,680.10
  5. Step 5: Solve for x
    x = 250,919,508,680.10/564,069.52
  6. Step 6: Final answer
    x = 444,837.91

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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.