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Finding the Fourth Proportional to 390,094.92, 585,608.94 and 232,397.64

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Solution

The fourth proportional to 390,094.92, 585,608.94 and 232,397.64 is: 348,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,094.92 : 585,608.94 = 232,397.64 : x
  2. Step 2: Convert to fraction form
    390,094.92/585,608.94 = 232,397.64/x
  3. Step 3: Cross multiply
    390,094.92x = 585,608.94 × 232,397.64
  4. Step 4: Simplify right side
    390,094.92x = 136,094,135,618.90
  5. Step 5: Solve for x
    x = 136,094,135,618.90/390,094.92
  6. Step 6: Final answer
    x = 348,874.41

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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.