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Finding the Fourth Proportional to 383,599.68, 529,594.40 and 341,040.48

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Solution

The fourth proportional to 383,599.68, 529,594.40 and 341,040.48 is: 470,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,599.68 : 529,594.40 = 341,040.48 : x
  2. Step 2: Convert to fraction form
    383,599.68/529,594.40 = 341,040.48/x
  3. Step 3: Cross multiply
    383,599.68x = 529,594.40 × 341,040.48
  4. Step 4: Simplify right side
    383,599.68x = 180,613,128,381.31
  5. Step 5: Solve for x
    x = 180,613,128,381.31/383,599.68
  6. Step 6: Final answer
    x = 470,837.54

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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.