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Finding the Fourth Proportional to 621,804.12, 932,730.30 and 195,630.60

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Solution

The fourth proportional to 621,804.12, 932,730.30 and 195,630.60 is: 293,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,804.12 : 932,730.30 = 195,630.60 : x
  2. Step 2: Convert to fraction form
    621,804.12/932,730.30 = 195,630.60/x
  3. Step 3: Cross multiply
    621,804.12x = 932,730.30 × 195,630.60
  4. Step 4: Simplify right side
    621,804.12x = 182,470,588,227.18
  5. Step 5: Solve for x
    x = 182,470,588,227.18/621,804.12
  6. Step 6: Final answer
    x = 293,453.49

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1.5x scale

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.