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Finding the Fourth Proportional to 895,508.80, 1,342,418.64 and 445,804

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Solution

The fourth proportional to 895,508.80, 1,342,418.64 and 445,804 is: 668,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,508.80 : 1,342,418.64 = 445,804 : x
  2. Step 2: Convert to fraction form
    895,508.80/1,342,418.64 = 445,804/x
  3. Step 3: Cross multiply
    895,508.80x = 1,342,418.64 × 445,804
  4. Step 4: Simplify right side
    895,508.80x = 598,455,599,386.56
  5. Step 5: Solve for x
    x = 598,455,599,386.56/895,508.80
  6. Step 6: Final answer
    x = 668,285.56

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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.