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Finding the Fourth Proportional to 342,358.47, 513,621.75 and 241,353.90

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Solution

The fourth proportional to 342,358.47, 513,621.75 and 241,353.90 is: 362,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,358.47 : 513,621.75 = 241,353.90 : x
  2. Step 2: Convert to fraction form
    342,358.47/513,621.75 = 241,353.90/x
  3. Step 3: Cross multiply
    342,358.47x = 513,621.75 × 241,353.90
  4. Step 4: Simplify right side
    342,358.47x = 123,964,612,487.33
  5. Step 5: Solve for x
    x = 123,964,612,487.33/342,358.47
  6. Step 6: Final answer
    x = 362,090.10

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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.