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Finding the Fourth Proportional to 350,001, 525,079.26 and 128,385

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Solution

The fourth proportional to 350,001, 525,079.26 and 128,385 is: 192,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,001 : 525,079.26 = 128,385 : x
  2. Step 2: Convert to fraction form
    350,001/525,079.26 = 128,385/x
  3. Step 3: Cross multiply
    350,001x = 525,079.26 × 128,385
  4. Step 4: Simplify right side
    350,001x = 67,412,300,795.10
  5. Step 5: Solve for x
    x = 67,412,300,795.10/350,001
  6. Step 6: Final answer
    x = 192,606.02

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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.