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Finding the Fourth Proportional to 453,357.90, 680,036.85 and 187,029.90

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Solution

The fourth proportional to 453,357.90, 680,036.85 and 187,029.90 is: 280,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,357.90 : 680,036.85 = 187,029.90 : x
  2. Step 2: Convert to fraction form
    453,357.90/680,036.85 = 187,029.90/x
  3. Step 3: Cross multiply
    453,357.90x = 680,036.85 × 187,029.90
  4. Step 4: Simplify right side
    453,357.90x = 127,187,224,051.82
  5. Step 5: Solve for x
    x = 127,187,224,051.82/453,357.90
  6. Step 6: Final answer
    x = 280,544.85

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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.