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Finding the Fourth Proportional to 265,388.55, 366,266.46 and 157,958.93

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Solution

The fourth proportional to 265,388.55, 366,266.46 and 157,958.93 is: 218,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,388.55 : 366,266.46 = 157,958.93 : x
  2. Step 2: Convert to fraction form
    265,388.55/366,266.46 = 157,958.93/x
  3. Step 3: Cross multiply
    265,388.55x = 366,266.46 × 157,958.93
  4. Step 4: Simplify right side
    265,388.55x = 57,855,056,285.16
  5. Step 5: Solve for x
    x = 57,855,056,285.16/265,388.55
  6. Step 6: Final answer
    x = 218,001.33

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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.