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Finding the Fourth Proportional to 220,453.84, 330,816.12 and 175,207.54

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Solution

The fourth proportional to 220,453.84, 330,816.12 and 175,207.54 is: 262,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,453.84 : 330,816.12 = 175,207.54 : x
  2. Step 2: Convert to fraction form
    220,453.84/330,816.12 = 175,207.54/x
  3. Step 3: Cross multiply
    220,453.84x = 330,816.12 × 175,207.54
  4. Step 4: Simplify right side
    220,453.84x = 57,961,478,577.54
  5. Step 5: Solve for x
    x = 57,961,478,577.54/220,453.84
  6. Step 6: Final answer
    x = 262,918.89

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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.