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Finding the Fourth Proportional to 230,897.80, 346,346.70 and 222,040.45

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Solution

The fourth proportional to 230,897.80, 346,346.70 and 222,040.45 is: 333,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,897.80 : 346,346.70 = 222,040.45 : x
  2. Step 2: Convert to fraction form
    230,897.80/346,346.70 = 222,040.45/x
  3. Step 3: Cross multiply
    230,897.80x = 346,346.70 × 222,040.45
  4. Step 4: Simplify right side
    230,897.80x = 76,902,977,124.02
  5. Step 5: Solve for x
    x = 76,902,977,124.02/230,897.80
  6. Step 6: Final answer
    x = 333,060.68

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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.