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Finding the Fourth Proportional to 367,753.16, 507,507.08 and 206,618.60

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Solution

The fourth proportional to 367,753.16, 507,507.08 and 206,618.60 is: 285,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,753.16 : 507,507.08 = 206,618.60 : x
  2. Step 2: Convert to fraction form
    367,753.16/507,507.08 = 206,618.60/x
  3. Step 3: Cross multiply
    367,753.16x = 507,507.08 × 206,618.60
  4. Step 4: Simplify right side
    367,753.16x = 104,860,402,359.69
  5. Step 5: Solve for x
    x = 104,860,402,359.69/367,753.16
  6. Step 6: Final answer
    x = 285,138.00

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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.