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Finding the Fourth Proportional to 424,188.45, 585,365.13 and 233,200.44

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Solution

The fourth proportional to 424,188.45, 585,365.13 and 233,200.44 is: 321,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,188.45 : 585,365.13 = 233,200.44 : x
  2. Step 2: Convert to fraction form
    424,188.45/585,365.13 = 233,200.44/x
  3. Step 3: Cross multiply
    424,188.45x = 585,365.13 × 233,200.44
  4. Step 4: Simplify right side
    424,188.45x = 136,507,405,876.66
  5. Step 5: Solve for x
    x = 136,507,405,876.66/424,188.45
  6. Step 6: Final answer
    x = 321,808.40

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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.