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Finding the Fourth Proportional to 451,102.36, 622,492.08 and 247,153

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Solution

The fourth proportional to 451,102.36, 622,492.08 and 247,153 is: 341,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,102.36 : 622,492.08 = 247,153 : x
  2. Step 2: Convert to fraction form
    451,102.36/622,492.08 = 247,153/x
  3. Step 3: Cross multiply
    451,102.36x = 622,492.08 × 247,153
  4. Step 4: Simplify right side
    451,102.36x = 153,850,785,048.24
  5. Step 5: Solve for x
    x = 153,850,785,048.24/451,102.36
  6. Step 6: Final answer
    x = 341,055.15

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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.