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Finding the Fourth Proportional to 214,711.45, 301,010.75 and 214,711.45

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Solution

The fourth proportional to 214,711.45, 301,010.75 and 214,711.45 is: 301,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,711.45 : 301,010.75 = 214,711.45 : x
  2. Step 2: Convert to fraction form
    214,711.45/301,010.75 = 214,711.45/x
  3. Step 3: Cross multiply
    214,711.45x = 301,010.75 × 214,711.45
  4. Step 4: Simplify right side
    214,711.45x = 64,630,454,598.09
  5. Step 5: Solve for x
    x = 64,630,454,598.09/214,711.45
  6. Step 6: Final answer
    x = 301,010.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.