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Finding the Fourth Proportional to 609,172.02, 840,745.36 and 350,999.52

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Solution

The fourth proportional to 609,172.02, 840,745.36 and 350,999.52 is: 484,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,172.02 : 840,745.36 = 350,999.52 : x
  2. Step 2: Convert to fraction form
    609,172.02/840,745.36 = 350,999.52/x
  3. Step 3: Cross multiply
    609,172.02x = 840,745.36 × 350,999.52
  4. Step 4: Simplify right side
    609,172.02x = 295,101,217,802.23
  5. Step 5: Solve for x
    x = 295,101,217,802.23/609,172.02
  6. Step 6: Final answer
    x = 484,430.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.