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Finding the Fourth Proportional to 455,092.23, 628,040.04 and 251,156.01

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Solution

The fourth proportional to 455,092.23, 628,040.04 and 251,156.01 is: 346,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,092.23 : 628,040.04 = 251,156.01 : x
  2. Step 2: Convert to fraction form
    455,092.23/628,040.04 = 251,156.01/x
  3. Step 3: Cross multiply
    455,092.23x = 628,040.04 × 251,156.01
  4. Step 4: Simplify right side
    455,092.23x = 157,736,030,566.64
  5. Step 5: Solve for x
    x = 157,736,030,566.64/455,092.23
  6. Step 6: Final answer
    x = 346,602.34

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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.