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Finding the Fourth Proportional to 306,871.09, 460,295.75 and 93,630.39

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Solution

The fourth proportional to 306,871.09, 460,295.75 and 93,630.39 is: 140,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,871.09 : 460,295.75 = 93,630.39 : x
  2. Step 2: Convert to fraction form
    306,871.09/460,295.75 = 93,630.39/x
  3. Step 3: Cross multiply
    306,871.09x = 460,295.75 × 93,630.39
  4. Step 4: Simplify right side
    306,871.09x = 43,097,670,587.84
  5. Step 5: Solve for x
    x = 43,097,670,587.84/306,871.09
  6. Step 6: Final answer
    x = 140,442.26

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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.