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Finding the Fourth Proportional to 404,612.64, 558,554.42 and 234,813.96

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Solution

The fourth proportional to 404,612.64, 558,554.42 and 234,813.96 is: 324,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,612.64 : 558,554.42 = 234,813.96 : x
  2. Step 2: Convert to fraction form
    404,612.64/558,554.42 = 234,813.96/x
  3. Step 3: Cross multiply
    404,612.64x = 558,554.42 × 234,813.96
  4. Step 4: Simplify right side
    404,612.64x = 131,156,375,235.70
  5. Step 5: Solve for x
    x = 131,156,375,235.70/404,612.64
  6. Step 6: Final answer
    x = 324,152.94

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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.