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Finding the Fourth Proportional to 404,531.40, 607,040.10 and 167,849.40

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Solution

The fourth proportional to 404,531.40, 607,040.10 and 167,849.40 is: 251,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,531.40 : 607,040.10 = 167,849.40 : x
  2. Step 2: Convert to fraction form
    404,531.40/607,040.10 = 167,849.40/x
  3. Step 3: Cross multiply
    404,531.40x = 607,040.10 × 167,849.40
  4. Step 4: Simplify right side
    404,531.40x = 101,891,316,560.94
  5. Step 5: Solve for x
    x = 101,891,316,560.94/404,531.40
  6. Step 6: Final answer
    x = 251,874.93

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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.