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Finding the Fourth Proportional to 522,967.59, 784,871.78 and 270,322.16

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Solution

The fourth proportional to 522,967.59, 784,871.78 and 270,322.16 is: 405,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,967.59 : 784,871.78 = 270,322.16 : x
  2. Step 2: Convert to fraction form
    522,967.59/784,871.78 = 270,322.16/x
  3. Step 3: Cross multiply
    522,967.59x = 784,871.78 × 270,322.16
  4. Step 4: Simplify right side
    522,967.59x = 212,168,229,616.68
  5. Step 5: Solve for x
    x = 212,168,229,616.68/522,967.59
  6. Step 6: Final answer
    x = 405,700.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.