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Finding the Fourth Proportional to 265,383.90, 366,205.68 and 157,936.59

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Solution

The fourth proportional to 265,383.90, 366,205.68 and 157,936.59 is: 217,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,383.90 : 366,205.68 = 157,936.59 : x
  2. Step 2: Convert to fraction form
    265,383.90/366,205.68 = 157,936.59/x
  3. Step 3: Cross multiply
    265,383.90x = 366,205.68 × 157,936.59
  4. Step 4: Simplify right side
    265,383.90x = 57,837,276,337.83
  5. Step 5: Solve for x
    x = 57,837,276,337.83/265,383.90
  6. Step 6: Final answer
    x = 217,938.15

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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.