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Finding the Fourth Proportional to 367,608.36, 507,238.50 and 216,684.84

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Solution

The fourth proportional to 367,608.36, 507,238.50 and 216,684.84 is: 298,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,608.36 : 507,238.50 = 216,684.84 : x
  2. Step 2: Convert to fraction form
    367,608.36/507,238.50 = 216,684.84/x
  3. Step 3: Cross multiply
    367,608.36x = 507,238.50 × 216,684.84
  4. Step 4: Simplify right side
    367,608.36x = 109,910,893,214.34
  5. Step 5: Solve for x
    x = 109,910,893,214.34/367,608.36
  6. Step 6: Final answer
    x = 298,989.10

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1.5x scale

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.