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Finding the Fourth Proportional to 463,390.40, 695,474.40 and 226,935.20

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Solution

The fourth proportional to 463,390.40, 695,474.40 and 226,935.20 is: 340,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,390.40 : 695,474.40 = 226,935.20 : x
  2. Step 2: Convert to fraction form
    463,390.40/695,474.40 = 226,935.20/x
  3. Step 3: Cross multiply
    463,390.40x = 695,474.40 × 226,935.20
  4. Step 4: Simplify right side
    463,390.40x = 157,827,622,058.88
  5. Step 5: Solve for x
    x = 157,827,622,058.88/463,390.40
  6. Step 6: Final answer
    x = 340,593.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.