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Finding the Fourth Proportional to 230,248.99, 345,609.06 and 190,140.22

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Solution

The fourth proportional to 230,248.99, 345,609.06 and 190,140.22 is: 285,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,248.99 : 345,609.06 = 190,140.22 : x
  2. Step 2: Convert to fraction form
    230,248.99/345,609.06 = 190,140.22/x
  3. Step 3: Cross multiply
    230,248.99x = 345,609.06 × 190,140.22
  4. Step 4: Simplify right side
    230,248.99x = 65,714,182,702.39
  5. Step 5: Solve for x
    x = 65,714,182,702.39/230,248.99
  6. Step 6: Final answer
    x = 285,404.87

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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.