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Finding the Fourth Proportional to 350,121.72, 525,325.14 and 163,018.20

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Solution

The fourth proportional to 350,121.72, 525,325.14 and 163,018.20 is: 244,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,121.72 : 525,325.14 = 163,018.20 : x
  2. Step 2: Convert to fraction form
    350,121.72/525,325.14 = 163,018.20/x
  3. Step 3: Cross multiply
    350,121.72x = 525,325.14 × 163,018.20
  4. Step 4: Simplify right side
    350,121.72x = 85,637,558,737.55
  5. Step 5: Solve for x
    x = 85,637,558,737.55/350,121.72
  6. Step 6: Final answer
    x = 244,593.68

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1.5x scale

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.