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Finding the Fourth Proportional to 368,155.35, 508,144.59 and 225,035.37

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Solution

The fourth proportional to 368,155.35, 508,144.59 and 225,035.37 is: 310,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,155.35 : 508,144.59 = 225,035.37 : x
  2. Step 2: Convert to fraction form
    368,155.35/508,144.59 = 225,035.37/x
  3. Step 3: Cross multiply
    368,155.35x = 508,144.59 × 225,035.37
  4. Step 4: Simplify right side
    368,155.35x = 114,350,505,824.15
  5. Step 5: Solve for x
    x = 114,350,505,824.15/368,155.35
  6. Step 6: Final answer
    x = 310,603.95

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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.