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Finding the Fourth Proportional to 350,617.48, 483,816.42 and 207,349.54

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Solution

The fourth proportional to 350,617.48, 483,816.42 and 207,349.54 is: 286,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,617.48 : 483,816.42 = 207,349.54 : x
  2. Step 2: Convert to fraction form
    350,617.48/483,816.42 = 207,349.54/x
  3. Step 3: Cross multiply
    350,617.48x = 483,816.42 × 207,349.54
  4. Step 4: Simplify right side
    350,617.48x = 100,319,112,131.45
  5. Step 5: Solve for x
    x = 100,319,112,131.45/350,617.48
  6. Step 6: Final answer
    x = 286,121.25

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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.