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Finding the Fourth Proportional to 350,010.40, 525,404.40 and 217,040.80

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Solution

The fourth proportional to 350,010.40, 525,404.40 and 217,040.80 is: 325,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,010.40 : 525,404.40 = 217,040.80 : x
  2. Step 2: Convert to fraction form
    350,010.40/525,404.40 = 217,040.80/x
  3. Step 3: Cross multiply
    350,010.40x = 525,404.40 × 217,040.80
  4. Step 4: Simplify right side
    350,010.40x = 114,034,191,299.52
  5. Step 5: Solve for x
    x = 114,034,191,299.52/350,010.40
  6. Step 6: Final answer
    x = 325,802.29

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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.