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Finding the Fourth Proportional to 255,270.17, 352,381.86 and 181,730.07

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Solution

The fourth proportional to 255,270.17, 352,381.86 and 181,730.07 is: 250,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,270.17 : 352,381.86 = 181,730.07 : x
  2. Step 2: Convert to fraction form
    255,270.17/352,381.86 = 181,730.07/x
  3. Step 3: Cross multiply
    255,270.17x = 352,381.86 × 181,730.07
  4. Step 4: Simplify right side
    255,270.17x = 64,038,380,084.53
  5. Step 5: Solve for x
    x = 64,038,380,084.53/255,270.17
  6. Step 6: Final answer
    x = 250,865.11

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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.