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Finding the Fourth Proportional to 350,593.20, 525,889.80 and 217,040.40

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Solution

The fourth proportional to 350,593.20, 525,889.80 and 217,040.40 is: 325,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,593.20 : 525,889.80 = 217,040.40 : x
  2. Step 2: Convert to fraction form
    350,593.20/525,889.80 = 217,040.40/x
  3. Step 3: Cross multiply
    350,593.20x = 525,889.80 × 217,040.40
  4. Step 4: Simplify right side
    350,593.20x = 114,139,332,547.92
  5. Step 5: Solve for x
    x = 114,139,332,547.92/350,593.20
  6. Step 6: Final answer
    x = 325,560.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.