Home / 369,780.30-554,346.45-251,066.70

Finding the Fourth Proportional to 369,780.30, 554,346.45 and 251,066.70

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Solution

The fourth proportional to 369,780.30, 554,346.45 and 251,066.70 is: 376,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,780.30 : 554,346.45 = 251,066.70 : x
  2. Step 2: Convert to fraction form
    369,780.30/554,346.45 = 251,066.70/x
  3. Step 3: Cross multiply
    369,780.30x = 554,346.45 × 251,066.70
  4. Step 4: Simplify right side
    369,780.30x = 139,177,933,858.22
  5. Step 5: Solve for x
    x = 139,177,933,858.22/369,780.30
  6. Step 6: Final answer
    x = 376,380.07

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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.