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Finding the Fourth Proportional to 400,017.01, 552,162.48 and 230,318.77

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Solution

The fourth proportional to 400,017.01, 552,162.48 and 230,318.77 is: 317,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,017.01 : 552,162.48 = 230,318.77 : x
  2. Step 2: Convert to fraction form
    400,017.01/552,162.48 = 230,318.77/x
  3. Step 3: Cross multiply
    400,017.01x = 552,162.48 × 230,318.77
  4. Step 4: Simplify right side
    400,017.01x = 127,173,382,082.16
  5. Step 5: Solve for x
    x = 127,173,382,082.16/400,017.01
  6. Step 6: Final answer
    x = 317,919.94

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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.