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Finding the Fourth Proportional to 568,356.84, 784,282.77 and 364,047.30

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Solution

The fourth proportional to 568,356.84, 784,282.77 and 364,047.30 is: 502,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,356.84 : 784,282.77 = 364,047.30 : x
  2. Step 2: Convert to fraction form
    568,356.84/784,282.77 = 364,047.30/x
  3. Step 3: Cross multiply
    568,356.84x = 784,282.77 × 364,047.30
  4. Step 4: Simplify right side
    568,356.84x = 285,516,024,855.02
  5. Step 5: Solve for x
    x = 285,516,024,855.02/568,356.84
  6. Step 6: Final answer
    x = 502,353.46

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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.