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Finding the Fourth Proportional to 502,879.46, 754,814.90 and 369,384.98

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Solution

The fourth proportional to 502,879.46, 754,814.90 and 369,384.98 is: 554,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,879.46 : 754,814.90 = 369,384.98 : x
  2. Step 2: Convert to fraction form
    502,879.46/754,814.90 = 369,384.98/x
  3. Step 3: Cross multiply
    502,879.46x = 754,814.90 × 369,384.98
  4. Step 4: Simplify right side
    502,879.46x = 278,817,283,889.59
  5. Step 5: Solve for x
    x = 278,817,283,889.59/502,879.46
  6. Step 6: Final answer
    x = 554,441.59

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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.