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Finding the Fourth Proportional to 367,899.39, 507,612.49 and 214,850.70

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Solution

The fourth proportional to 367,899.39, 507,612.49 and 214,850.70 is: 296,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,899.39 : 507,612.49 = 214,850.70 : x
  2. Step 2: Convert to fraction form
    367,899.39/507,612.49 = 214,850.70/x
  3. Step 3: Cross multiply
    367,899.39x = 507,612.49 × 214,850.70
  4. Step 4: Simplify right side
    367,899.39x = 109,060,898,268.12
  5. Step 5: Solve for x
    x = 109,060,898,268.12/367,899.39
  6. Step 6: Final answer
    x = 296,442.18

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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.