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Finding the Fourth Proportional to 431,521.29, 595,485.68 and 270,463.32

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Solution

The fourth proportional to 431,521.29, 595,485.68 and 270,463.32 is: 373,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,521.29 : 595,485.68 = 270,463.32 : x
  2. Step 2: Convert to fraction form
    431,521.29/595,485.68 = 270,463.32/x
  3. Step 3: Cross multiply
    431,521.29x = 595,485.68 × 270,463.32
  4. Step 4: Simplify right side
    431,521.29x = 161,057,032,672.94
  5. Step 5: Solve for x
    x = 161,057,032,672.94/431,521.29
  6. Step 6: Final answer
    x = 373,230.79

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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.