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Finding the Fourth Proportional to 392,199.40, 588,547.95 and 167,561.53

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Solution

The fourth proportional to 392,199.40, 588,547.95 and 167,561.53 is: 251,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,199.40 : 588,547.95 = 167,561.53 : x
  2. Step 2: Convert to fraction form
    392,199.40/588,547.95 = 167,561.53/x
  3. Step 3: Cross multiply
    392,199.40x = 588,547.95 × 167,561.53
  4. Step 4: Simplify right side
    392,199.40x = 98,617,995,087.69
  5. Step 5: Solve for x
    x = 98,617,995,087.69/392,199.40
  6. Step 6: Final answer
    x = 251,448.61

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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.