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Finding the Fourth Proportional to 769,483.98, 1,154,350 and 237,004.76

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Solution

The fourth proportional to 769,483.98, 1,154,350 and 237,004.76 is: 355,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,483.98 : 1,154,350 = 237,004.76 : x
  2. Step 2: Convert to fraction form
    769,483.98/1,154,350 = 237,004.76/x
  3. Step 3: Cross multiply
    769,483.98x = 1,154,350 × 237,004.76
  4. Step 4: Simplify right side
    769,483.98x = 273,586,444,706
  5. Step 5: Solve for x
    x = 273,586,444,706/769,483.98
  6. Step 6: Final answer
    x = 355,545.34

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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.