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Finding the Fourth Proportional to 348,153.56, 480,451.38 and 197,250.20

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Solution

The fourth proportional to 348,153.56, 480,451.38 and 197,250.20 is: 272,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,153.56 : 480,451.38 = 197,250.20 : x
  2. Step 2: Convert to fraction form
    348,153.56/480,451.38 = 197,250.20/x
  3. Step 3: Cross multiply
    348,153.56x = 480,451.38 × 197,250.20
  4. Step 4: Simplify right side
    348,153.56x = 94,769,130,795.28
  5. Step 5: Solve for x
    x = 94,769,130,795.28/348,153.56
  6. Step 6: Final answer
    x = 272,204.97

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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.