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Finding the Fourth Proportional to 403,707.26, 557,116.02 and 224,859.26

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Solution

The fourth proportional to 403,707.26, 557,116.02 and 224,859.26 is: 310,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,707.26 : 557,116.02 = 224,859.26 : x
  2. Step 2: Convert to fraction form
    403,707.26/557,116.02 = 224,859.26/x
  3. Step 3: Cross multiply
    403,707.26x = 557,116.02 × 224,859.26
  4. Step 4: Simplify right side
    403,707.26x = 125,272,695,991.35
  5. Step 5: Solve for x
    x = 125,272,695,991.35/403,707.26
  6. Step 6: Final answer
    x = 310,305.78

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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.