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Finding the Fourth Proportional to 451,204.64, 676,455.54 and 223,342.97

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Solution

The fourth proportional to 451,204.64, 676,455.54 and 223,342.97 is: 334,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,204.64 : 676,455.54 = 223,342.97 : x
  2. Step 2: Convert to fraction form
    451,204.64/676,455.54 = 223,342.97/x
  3. Step 3: Cross multiply
    451,204.64x = 676,455.54 × 223,342.97
  4. Step 4: Simplify right side
    451,204.64x = 151,081,586,831.81
  5. Step 5: Solve for x
    x = 151,081,586,831.81/451,204.64
  6. Step 6: Final answer
    x = 334,840.50

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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.