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Finding the Fourth Proportional to 292,375.77, 437,775.14 and 190,922.51

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Solution

The fourth proportional to 292,375.77, 437,775.14 and 190,922.51 is: 285,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,375.77 : 437,775.14 = 190,922.51 : x
  2. Step 2: Convert to fraction form
    292,375.77/437,775.14 = 190,922.51/x
  3. Step 3: Cross multiply
    292,375.77x = 437,775.14 × 190,922.51
  4. Step 4: Simplify right side
    292,375.77x = 83,581,125,400.91
  5. Step 5: Solve for x
    x = 83,581,125,400.91/292,375.77
  6. Step 6: Final answer
    x = 285,868.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.