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Finding the Fourth Proportional to 564,196.46, 778,591.08 and 322,484.24

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Solution

The fourth proportional to 564,196.46, 778,591.08 and 322,484.24 is: 445,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,196.46 : 778,591.08 = 322,484.24 : x
  2. Step 2: Convert to fraction form
    564,196.46/778,591.08 = 322,484.24/x
  3. Step 3: Cross multiply
    564,196.46x = 778,591.08 × 322,484.24
  4. Step 4: Simplify right side
    564,196.46x = 251,083,352,704.58
  5. Step 5: Solve for x
    x = 251,083,352,704.58/564,196.46
  6. Step 6: Final answer
    x = 445,028.23

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Double scale
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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.