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Finding the Fourth Proportional to 431,522.29, 595,487.05 and 270,464.32

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Solution

The fourth proportional to 431,522.29, 595,487.05 and 270,464.32 is: 373,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,522.29 : 595,487.05 = 270,464.32 : x
  2. Step 2: Convert to fraction form
    431,522.29/595,487.05 = 270,464.32/x
  3. Step 3: Cross multiply
    431,522.29x = 595,487.05 × 270,464.32
  4. Step 4: Simplify right side
    431,522.29x = 161,058,000,047.06
  5. Step 5: Solve for x
    x = 161,058,000,047.06/431,522.29
  6. Step 6: Final answer
    x = 373,232.17

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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.