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Finding the Fourth Proportional to 443,937.63, 612,665.19 and 250,362.66

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Solution

The fourth proportional to 443,937.63, 612,665.19 and 250,362.66 is: 345,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,937.63 : 612,665.19 = 250,362.66 : x
  2. Step 2: Convert to fraction form
    443,937.63/612,665.19 = 250,362.66/x
  3. Step 3: Cross multiply
    443,937.63x = 612,665.19 × 250,362.66
  4. Step 4: Simplify right side
    443,937.63x = 153,388,486,657.81
  5. Step 5: Solve for x
    x = 153,388,486,657.81/443,937.63
  6. Step 6: Final answer
    x = 345,518.10

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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.