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Finding the Fourth Proportional to 443,767.56, 612,328.86 and 252,784.68

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Solution

The fourth proportional to 443,767.56, 612,328.86 and 252,784.68 is: 348,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,767.56 : 612,328.86 = 252,784.68 : x
  2. Step 2: Convert to fraction form
    443,767.56/612,328.86 = 252,784.68/x
  3. Step 3: Cross multiply
    443,767.56x = 612,328.86 × 252,784.68
  4. Step 4: Simplify right side
    443,767.56x = 154,787,354,929.87
  5. Step 5: Solve for x
    x = 154,787,354,929.87/443,767.56
  6. Step 6: Final answer
    x = 348,802.77

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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.