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Finding the Fourth Proportional to 619,498.62, 929,345.13 and 264,514.50

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Solution

The fourth proportional to 619,498.62, 929,345.13 and 264,514.50 is: 396,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,498.62 : 929,345.13 = 264,514.50 : x
  2. Step 2: Convert to fraction form
    619,498.62/929,345.13 = 264,514.50/x
  3. Step 3: Cross multiply
    619,498.62x = 929,345.13 × 264,514.50
  4. Step 4: Simplify right side
    619,498.62x = 245,825,262,389.39
  5. Step 5: Solve for x
    x = 245,825,262,389.39/619,498.62
  6. Step 6: Final answer
    x = 396,813.25

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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.