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Finding the Fourth Proportional to 350,099.40, 525,278.70 and 337,139.40

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Solution

The fourth proportional to 350,099.40, 525,278.70 and 337,139.40 is: 505,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,099.40 : 525,278.70 = 337,139.40 : x
  2. Step 2: Convert to fraction form
    350,099.40/525,278.70 = 337,139.40/x
  3. Step 3: Cross multiply
    350,099.40x = 525,278.70 × 337,139.40
  4. Step 4: Simplify right side
    350,099.40x = 177,092,145,750.78
  5. Step 5: Solve for x
    x = 177,092,145,750.78/350,099.40
  6. Step 6: Final answer
    x = 505,833.90

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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.