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Finding the Fourth Proportional to 350,167.92, 525,415.93 and 172,578.06

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Solution

The fourth proportional to 350,167.92, 525,415.93 and 172,578.06 is: 258,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,167.92 : 525,415.93 = 172,578.06 : x
  2. Step 2: Convert to fraction form
    350,167.92/525,415.93 = 172,578.06/x
  3. Step 3: Cross multiply
    350,167.92x = 525,415.93 × 172,578.06
  4. Step 4: Simplify right side
    350,167.92x = 90,675,258,402.53
  5. Step 5: Solve for x
    x = 90,675,258,402.53/350,167.92
  6. Step 6: Final answer
    x = 258,947.93

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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.