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Finding the Fourth Proportional to 404,702.30, 558,493.70 and 223,414.32

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Solution

The fourth proportional to 404,702.30, 558,493.70 and 223,414.32 is: 308,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,702.30 : 558,493.70 = 223,414.32 : x
  2. Step 2: Convert to fraction form
    404,702.30/558,493.70 = 223,414.32/x
  3. Step 3: Cross multiply
    404,702.30x = 558,493.70 × 223,414.32
  4. Step 4: Simplify right side
    404,702.30x = 124,775,490,209.78
  5. Step 5: Solve for x
    x = 124,775,490,209.78/404,702.30
  6. Step 6: Final answer
    x = 308,314.26

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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.