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Finding the Fourth Proportional to 221,090.88, 304,379.46 and 185,224.08

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Solution

The fourth proportional to 221,090.88, 304,379.46 and 185,224.08 is: 255,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,090.88 : 304,379.46 = 185,224.08 : x
  2. Step 2: Convert to fraction form
    221,090.88/304,379.46 = 185,224.08/x
  3. Step 3: Cross multiply
    221,090.88x = 304,379.46 × 185,224.08
  4. Step 4: Simplify right side
    221,090.88x = 56,378,405,449.40
  5. Step 5: Solve for x
    x = 56,378,405,449.40/221,090.88
  6. Step 6: Final answer
    x = 255,001.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.