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Finding the Fourth Proportional to 431,934.69, 596,065.84 and 238,344.19

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Solution

The fourth proportional to 431,934.69, 596,065.84 and 238,344.19 is: 328,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,934.69 : 596,065.84 = 238,344.19 : x
  2. Step 2: Convert to fraction form
    431,934.69/596,065.84 = 238,344.19/x
  3. Step 3: Cross multiply
    431,934.69x = 596,065.84 × 238,344.19
  4. Step 4: Simplify right side
    431,934.69x = 142,068,827,735.45
  5. Step 5: Solve for x
    x = 142,068,827,735.45/431,934.69
  6. Step 6: Final answer
    x = 328,912.75

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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.