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Finding the Fourth Proportional to 316,807.42, 437,190.52 and 171,610.46

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Solution

The fourth proportional to 316,807.42, 437,190.52 and 171,610.46 is: 236,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,807.42 : 437,190.52 = 171,610.46 : x
  2. Step 2: Convert to fraction form
    316,807.42/437,190.52 = 171,610.46/x
  3. Step 3: Cross multiply
    316,807.42x = 437,190.52 × 171,610.46
  4. Step 4: Simplify right side
    316,807.42x = 75,026,466,244.84
  5. Step 5: Solve for x
    x = 75,026,466,244.84/316,807.42
  6. Step 6: Final answer
    x = 236,820.42

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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.