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Finding the Fourth Proportional to 899,605.92, 1,346,279.04 and 557,889.60

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Solution

The fourth proportional to 899,605.92, 1,346,279.04 and 557,889.60 is: 834,893.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,605.92 : 1,346,279.04 = 557,889.60 : x
  2. Step 2: Convert to fraction form
    899,605.92/1,346,279.04 = 557,889.60/x
  3. Step 3: Cross multiply
    899,605.92x = 1,346,279.04 × 557,889.60
  4. Step 4: Simplify right side
    899,605.92x = 751,075,075,113.98
  5. Step 5: Solve for x
    x = 751,075,075,113.98/899,605.92
  6. Step 6: Final answer
    x = 834,893.43

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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.