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Finding the Fourth Proportional to 228,593.06, 315,463.54 and 130,474.36

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Solution

The fourth proportional to 228,593.06, 315,463.54 and 130,474.36 is: 180,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,593.06 : 315,463.54 = 130,474.36 : x
  2. Step 2: Convert to fraction form
    228,593.06/315,463.54 = 130,474.36/x
  3. Step 3: Cross multiply
    228,593.06x = 315,463.54 × 130,474.36
  4. Step 4: Simplify right side
    228,593.06x = 41,159,903,484.83
  5. Step 5: Solve for x
    x = 41,159,903,484.83/228,593.06
  6. Step 6: Final answer
    x = 180,057.54

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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.