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Finding the Fourth Proportional to 255,270.31, 352,381.94 and 181,730.14

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Solution

The fourth proportional to 255,270.31, 352,381.94 and 181,730.14 is: 250,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,270.31 : 352,381.94 = 181,730.14 : x
  2. Step 2: Convert to fraction form
    255,270.31/352,381.94 = 181,730.14/x
  3. Step 3: Cross multiply
    255,270.31x = 352,381.94 × 181,730.14
  4. Step 4: Simplify right side
    255,270.31x = 64,038,419,289.67
  5. Step 5: Solve for x
    x = 64,038,419,289.67/255,270.31
  6. Step 6: Final answer
    x = 250,865.13

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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.