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Finding the Fourth Proportional to 228,967.22, 341,783.07 and 212,082.82

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Solution

The fourth proportional to 228,967.22, 341,783.07 and 212,082.82 is: 316,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,967.22 : 341,783.07 = 212,082.82 : x
  2. Step 2: Convert to fraction form
    228,967.22/341,783.07 = 212,082.82/x
  3. Step 3: Cross multiply
    228,967.22x = 341,783.07 × 212,082.82
  4. Step 4: Simplify right side
    228,967.22x = 72,486,317,313.86
  5. Step 5: Solve for x
    x = 72,486,317,313.86/228,967.22
  6. Step 6: Final answer
    x = 316,579.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.