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Finding the Fourth Proportional to 519,737.45, 779,606.10 and 195,586.47

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Solution

The fourth proportional to 519,737.45, 779,606.10 and 195,586.47 is: 293,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,737.45 : 779,606.10 = 195,586.47 : x
  2. Step 2: Convert to fraction form
    519,737.45/779,606.10 = 195,586.47/x
  3. Step 3: Cross multiply
    519,737.45x = 779,606.10 × 195,586.47
  4. Step 4: Simplify right side
    519,737.45x = 152,480,405,089.47
  5. Step 5: Solve for x
    x = 152,480,405,089.47/519,737.45
  6. Step 6: Final answer
    x = 293,379.68

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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.