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Finding the Fourth Proportional to 368,560.08, 552,511.08 and 143,868.33

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Solution

The fourth proportional to 368,560.08, 552,511.08 and 143,868.33 is: 215,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,560.08 : 552,511.08 = 143,868.33 : x
  2. Step 2: Convert to fraction form
    368,560.08/552,511.08 = 143,868.33/x
  3. Step 3: Cross multiply
    368,560.08x = 552,511.08 × 143,868.33
  4. Step 4: Simplify right side
    368,560.08x = 79,488,846,386.10
  5. Step 5: Solve for x
    x = 79,488,846,386.10/368,560.08
  6. Step 6: Final answer
    x = 215,674.05

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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.