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Finding the Fourth Proportional to 371,183.54, 512,234.64 and 201,417.66

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Solution

The fourth proportional to 371,183.54, 512,234.64 and 201,417.66 is: 277,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,183.54 : 512,234.64 = 201,417.66 : x
  2. Step 2: Convert to fraction form
    371,183.54/512,234.64 = 201,417.66/x
  3. Step 3: Cross multiply
    371,183.54x = 512,234.64 × 201,417.66
  4. Step 4: Simplify right side
    371,183.54x = 103,173,102,559.74
  5. Step 5: Solve for x
    x = 103,173,102,559.74/371,183.54
  6. Step 6: Final answer
    x = 277,957.11

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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.