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Finding the Fourth Proportional to 431,653.64, 595,717.54 and 238,099.28

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Solution

The fourth proportional to 431,653.64, 595,717.54 and 238,099.28 is: 328,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,653.64 : 595,717.54 = 238,099.28 : x
  2. Step 2: Convert to fraction form
    431,653.64/595,717.54 = 238,099.28/x
  3. Step 3: Cross multiply
    431,653.64x = 595,717.54 × 238,099.28
  4. Step 4: Simplify right side
    431,653.64x = 141,839,917,357.37
  5. Step 5: Solve for x
    x = 141,839,917,357.37/431,653.64
  6. Step 6: Final answer
    x = 328,596.60

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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.