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Finding the Fourth Proportional to 222,404.70, 333,607.05 and 211,518.30

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Solution

The fourth proportional to 222,404.70, 333,607.05 and 211,518.30 is: 317,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,404.70 : 333,607.05 = 211,518.30 : x
  2. Step 2: Convert to fraction form
    222,404.70/333,607.05 = 211,518.30/x
  3. Step 3: Cross multiply
    222,404.70x = 333,607.05 × 211,518.30
  4. Step 4: Simplify right side
    222,404.70x = 70,563,996,084.02
  5. Step 5: Solve for x
    x = 70,563,996,084.02/222,404.70
  6. Step 6: Final answer
    x = 317,277.45

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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.