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Finding the Fourth Proportional to 255,273.84, 382,910.80 and 114,868.40

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Solution

The fourth proportional to 255,273.84, 382,910.80 and 114,868.40 is: 172,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,273.84 : 382,910.80 = 114,868.40 : x
  2. Step 2: Convert to fraction form
    255,273.84/382,910.80 = 114,868.40/x
  3. Step 3: Cross multiply
    255,273.84x = 382,910.80 × 114,868.40
  4. Step 4: Simplify right side
    255,273.84x = 43,984,350,938.72
  5. Step 5: Solve for x
    x = 43,984,350,938.72/255,273.84
  6. Step 6: Final answer
    x = 172,302.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.