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Finding the Fourth Proportional to 431,427.74, 595,372.08 and 237,831.20

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Solution

The fourth proportional to 431,427.74, 595,372.08 and 237,831.20 is: 328,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,427.74 : 595,372.08 = 237,831.20 : x
  2. Step 2: Convert to fraction form
    431,427.74/595,372.08 = 237,831.20/x
  3. Step 3: Cross multiply
    431,427.74x = 595,372.08 × 237,831.20
  4. Step 4: Simplify right side
    431,427.74x = 141,598,056,232.90
  5. Step 5: Solve for x
    x = 141,598,056,232.90/431,427.74
  6. Step 6: Final answer
    x = 328,208.05

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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.