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Finding the Fourth Proportional to 455,502.29, 628,593.21 and 254,298.29

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Solution

The fourth proportional to 455,502.29, 628,593.21 and 254,298.29 is: 350,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,502.29 : 628,593.21 = 254,298.29 : x
  2. Step 2: Convert to fraction form
    455,502.29/628,593.21 = 254,298.29/x
  3. Step 3: Cross multiply
    455,502.29x = 628,593.21 × 254,298.29
  4. Step 4: Simplify right side
    455,502.29x = 159,850,175,265.65
  5. Step 5: Solve for x
    x = 159,850,175,265.65/455,502.29
  6. Step 6: Final answer
    x = 350,931.66

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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.