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Finding the Fourth Proportional to 564,913.32, 779,576.85 and 338,558.82

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Solution

The fourth proportional to 564,913.32, 779,576.85 and 338,558.82 is: 467,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,913.32 : 779,576.85 = 338,558.82 : x
  2. Step 2: Convert to fraction form
    564,913.32/779,576.85 = 338,558.82/x
  3. Step 3: Cross multiply
    564,913.32x = 779,576.85 × 338,558.82
  4. Step 4: Simplify right side
    564,913.32x = 263,932,618,435.32
  5. Step 5: Solve for x
    x = 263,932,618,435.32/564,913.32
  6. Step 6: Final answer
    x = 467,209.06

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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.