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Finding the Fourth Proportional to 519,810.27, 779,714.87 and 195,658.91

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Solution

The fourth proportional to 519,810.27, 779,714.87 and 195,658.91 is: 293,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,810.27 : 779,714.87 = 195,658.91 : x
  2. Step 2: Convert to fraction form
    519,810.27/779,714.87 = 195,658.91/x
  3. Step 3: Cross multiply
    519,810.27x = 779,714.87 × 195,658.91
  4. Step 4: Simplify right side
    519,810.27x = 152,558,156,698.12
  5. Step 5: Solve for x
    x = 152,558,156,698.12/519,810.27
  6. Step 6: Final answer
    x = 293,488.15

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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.