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Finding the Fourth Proportional to 613,591.79, 920,450.52 and 234,831.06

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Solution

The fourth proportional to 613,591.79, 920,450.52 and 234,831.06 is: 352,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,591.79 : 920,450.52 = 234,831.06 : x
  2. Step 2: Convert to fraction form
    613,591.79/920,450.52 = 234,831.06/x
  3. Step 3: Cross multiply
    613,591.79x = 920,450.52 × 234,831.06
  4. Step 4: Simplify right side
    613,591.79x = 216,150,371,289.15
  5. Step 5: Solve for x
    x = 216,150,371,289.15/613,591.79
  6. Step 6: Final answer
    x = 352,270.64

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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.