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Finding the Fourth Proportional to 367,480.08, 507,035.88 and 208,504.08

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Solution

The fourth proportional to 367,480.08, 507,035.88 and 208,504.08 is: 287,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,480.08 : 507,035.88 = 208,504.08 : x
  2. Step 2: Convert to fraction form
    367,480.08/507,035.88 = 208,504.08/x
  3. Step 3: Cross multiply
    367,480.08x = 507,035.88 × 208,504.08
  4. Step 4: Simplify right side
    367,480.08x = 105,719,049,686.39
  5. Step 5: Solve for x
    x = 105,719,049,686.39/367,480.08
  6. Step 6: Final answer
    x = 287,686.48

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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.