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Finding the Fourth Proportional to 895,342.74, 1,342,169.88 and 445,638.48

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Solution

The fourth proportional to 895,342.74, 1,342,169.88 and 445,638.48 is: 668,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,342.74 : 1,342,169.88 = 445,638.48 : x
  2. Step 2: Convert to fraction form
    895,342.74/1,342,169.88 = 445,638.48/x
  3. Step 3: Cross multiply
    895,342.74x = 1,342,169.88 × 445,638.48
  4. Step 4: Simplify right side
    895,342.74x = 598,122,545,224.98
  5. Step 5: Solve for x
    x = 598,122,545,224.98/895,342.74
  6. Step 6: Final answer
    x = 668,037.52

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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.