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Finding the Fourth Proportional to 445,860.33, 668,649.99 and 146,271.11

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Solution

The fourth proportional to 445,860.33, 668,649.99 and 146,271.11 is: 219,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,860.33 : 668,649.99 = 146,271.11 : x
  2. Step 2: Convert to fraction form
    445,860.33/668,649.99 = 146,271.11/x
  3. Step 3: Cross multiply
    445,860.33x = 668,649.99 × 146,271.11
  4. Step 4: Simplify right side
    445,860.33x = 97,804,172,895.54
  5. Step 5: Solve for x
    x = 97,804,172,895.54/445,860.33
  6. Step 6: Final answer
    x = 219,360.56

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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.