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Finding the Fourth Proportional to 412,752.80, 619,026.66 and 232,917.18

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Solution

The fourth proportional to 412,752.80, 619,026.66 and 232,917.18 is: 349,317.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,752.80 : 619,026.66 = 232,917.18 : x
  2. Step 2: Convert to fraction form
    412,752.80/619,026.66 = 232,917.18/x
  3. Step 3: Cross multiply
    412,752.80x = 619,026.66 × 232,917.18
  4. Step 4: Simplify right side
    412,752.80x = 144,181,943,992.02
  5. Step 5: Solve for x
    x = 144,181,943,992.02/412,752.80
  6. Step 6: Final answer
    x = 349,317.91

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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.