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Finding the Fourth Proportional to 502,880.46, 754,816.40 and 369,385.98

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Solution

The fourth proportional to 502,880.46, 754,816.40 and 369,385.98 is: 554,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,880.46 : 754,816.40 = 369,385.98 : x
  2. Step 2: Convert to fraction form
    502,880.46/754,816.40 = 369,385.98/x
  3. Step 3: Cross multiply
    502,880.46x = 754,816.40 × 369,385.98
  4. Step 4: Simplify right side
    502,880.46x = 278,818,595,634.07
  5. Step 5: Solve for x
    x = 278,818,595,634.07/502,880.46
  6. Step 6: Final answer
    x = 554,443.09

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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.