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Finding the Fourth Proportional to 621,810.60, 932,946.30 and 248,101.80

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Solution

The fourth proportional to 621,810.60, 932,946.30 and 248,101.80 is: 372,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,810.60 : 932,946.30 = 248,101.80 : x
  2. Step 2: Convert to fraction form
    621,810.60/932,946.30 = 248,101.80/x
  3. Step 3: Cross multiply
    621,810.60x = 932,946.30 × 248,101.80
  4. Step 4: Simplify right side
    621,810.60x = 231,465,656,333.34
  5. Step 5: Solve for x
    x = 231,465,656,333.34/621,810.60
  6. Step 6: Final answer
    x = 372,244.63

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Double scale
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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.