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Finding the Fourth Proportional to 615,025.43, 848,732.74 and 343,093.11

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Solution

The fourth proportional to 615,025.43, 848,732.74 and 343,093.11 is: 473,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,025.43 : 848,732.74 = 343,093.11 : x
  2. Step 2: Convert to fraction form
    615,025.43/848,732.74 = 343,093.11/x
  3. Step 3: Cross multiply
    615,025.43x = 848,732.74 × 343,093.11
  4. Step 4: Simplify right side
    615,025.43x = 291,194,355,325.42
  5. Step 5: Solve for x
    x = 291,194,355,325.42/615,025.43
  6. Step 6: Final answer
    x = 473,467.18

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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.