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Finding the Fourth Proportional to 319,344.21, 440,674.88 and 183,282.39

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Solution

The fourth proportional to 319,344.21, 440,674.88 and 183,282.39 is: 252,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,344.21 : 440,674.88 = 183,282.39 : x
  2. Step 2: Convert to fraction form
    319,344.21/440,674.88 = 183,282.39/x
  3. Step 3: Cross multiply
    319,344.21x = 440,674.88 × 183,282.39
  4. Step 4: Simplify right side
    319,344.21x = 80,767,944,302.95
  5. Step 5: Solve for x
    x = 80,767,944,302.95/319,344.21
  6. Step 6: Final answer
    x = 252,918.14

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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.