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Finding the Fourth Proportional to 376,813.36, 520,002.84 and 207,057.52

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Solution

The fourth proportional to 376,813.36, 520,002.84 and 207,057.52 is: 285,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,813.36 : 520,002.84 = 207,057.52 : x
  2. Step 2: Convert to fraction form
    376,813.36/520,002.84 = 207,057.52/x
  3. Step 3: Cross multiply
    376,813.36x = 520,002.84 × 207,057.52
  4. Step 4: Simplify right side
    376,813.36x = 107,670,498,443.36
  5. Step 5: Solve for x
    x = 107,670,498,443.36/376,813.36
  6. Step 6: Final answer
    x = 285,739.60

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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.