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Finding the Fourth Proportional to 616,411.30, 850,650.73 and 344,483.74

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Solution

The fourth proportional to 616,411.30, 850,650.73 and 344,483.74 is: 475,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,411.30 : 850,650.73 = 344,483.74 : x
  2. Step 2: Convert to fraction form
    616,411.30/850,650.73 = 344,483.74/x
  3. Step 3: Cross multiply
    616,411.30x = 850,650.73 × 344,483.74
  4. Step 4: Simplify right side
    616,411.30x = 293,035,340,321.32
  5. Step 5: Solve for x
    x = 293,035,340,321.32/616,411.30
  6. Step 6: Final answer
    x = 475,389.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.