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Finding the Fourth Proportional to 569,524.80, 785,981.28 and 327,837.12

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Solution

The fourth proportional to 569,524.80, 785,981.28 and 327,837.12 is: 452,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,524.80 : 785,981.28 = 327,837.12 : x
  2. Step 2: Convert to fraction form
    569,524.80/785,981.28 = 327,837.12/x
  3. Step 3: Cross multiply
    569,524.80x = 785,981.28 × 327,837.12
  4. Step 4: Simplify right side
    569,524.80x = 257,673,839,209.11
  5. Step 5: Solve for x
    x = 257,673,839,209.11/569,524.80
  6. Step 6: Final answer
    x = 452,436.56

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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.