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Finding the Fourth Proportional to 408,054.00, 563,128.20 and 226,773.57

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Solution

The fourth proportional to 408,054.00, 563,128.20 and 226,773.57 is: 312,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,054.00 : 563,128.20 = 226,773.57 : x
  2. Step 2: Convert to fraction form
    408,054.00/563,128.20 = 226,773.57/x
  3. Step 3: Cross multiply
    408,054.00x = 563,128.20 × 226,773.57
  4. Step 4: Simplify right side
    408,054.00x = 127,702,594,393.41
  5. Step 5: Solve for x
    x = 127,702,594,393.41/408,054.00
  6. Step 6: Final answer
    x = 312,955.13

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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.