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Finding the Fourth Proportional to 343,462.16, 474,007.01 and 190,549.64

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Solution

The fourth proportional to 343,462.16, 474,007.01 and 190,549.64 is: 262,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,462.16 : 474,007.01 = 190,549.64 : x
  2. Step 2: Convert to fraction form
    343,462.16/474,007.01 = 190,549.64/x
  3. Step 3: Cross multiply
    343,462.16x = 474,007.01 × 190,549.64
  4. Step 4: Simplify right side
    343,462.16x = 90,321,861,790.19
  5. Step 5: Solve for x
    x = 90,321,861,790.19/343,462.16
  6. Step 6: Final answer
    x = 262,974.71

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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.