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Finding the Fourth Proportional to 214,972.70, 322,459.05 and 214,972.70

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Solution

The fourth proportional to 214,972.70, 322,459.05 and 214,972.70 is: 322,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,972.70 : 322,459.05 = 214,972.70 : x
  2. Step 2: Convert to fraction form
    214,972.70/322,459.05 = 214,972.70/x
  3. Step 3: Cross multiply
    214,972.70x = 322,459.05 × 214,972.70
  4. Step 4: Simplify right side
    214,972.70x = 69,319,892,617.94
  5. Step 5: Solve for x
    x = 69,319,892,617.94/214,972.70
  6. Step 6: Final answer
    x = 322,459.05

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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.