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Finding the Fourth Proportional to 455,092.13, 628,027.41 and 253,888.13

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Solution

The fourth proportional to 455,092.13, 628,027.41 and 253,888.13 is: 350,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,092.13 : 628,027.41 = 253,888.13 : x
  2. Step 2: Convert to fraction form
    455,092.13/628,027.41 = 253,888.13/x
  3. Step 3: Cross multiply
    455,092.13x = 628,027.41 × 253,888.13
  4. Step 4: Simplify right side
    455,092.13x = 159,448,701,573.51
  5. Step 5: Solve for x
    x = 159,448,701,573.51/455,092.13
  6. Step 6: Final answer
    x = 350,365.77

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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.