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Finding the Fourth Proportional to 222,430.60, 333,905.10 and 133,784.20

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Solution

The fourth proportional to 222,430.60, 333,905.10 and 133,784.20 is: 200,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,430.60 : 333,905.10 = 133,784.20 : x
  2. Step 2: Convert to fraction form
    222,430.60/333,905.10 = 133,784.20/x
  3. Step 3: Cross multiply
    222,430.60x = 333,905.10 × 133,784.20
  4. Step 4: Simplify right side
    222,430.60x = 44,671,226,679.42
  5. Step 5: Solve for x
    x = 44,671,226,679.42/222,430.60
  6. Step 6: Final answer
    x = 200,832.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.