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Finding the Fourth Proportional to 610,762.06, 842,852.64 and 338,829.97

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Solution

The fourth proportional to 610,762.06, 842,852.64 and 338,829.97 is: 467,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,762.06 : 842,852.64 = 338,829.97 : x
  2. Step 2: Convert to fraction form
    610,762.06/842,852.64 = 338,829.97/x
  3. Step 3: Cross multiply
    610,762.06x = 842,852.64 × 338,829.97
  4. Step 4: Simplify right side
    610,762.06x = 285,583,734,725.62
  5. Step 5: Solve for x
    x = 285,583,734,725.62/610,762.06
  6. Step 6: Final answer
    x = 467,585.91

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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.