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Finding the Fourth Proportional to 269,510.88, 403,878.78 and 185,366.06

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Solution

The fourth proportional to 269,510.88, 403,878.78 and 185,366.06 is: 277,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,510.88 : 403,878.78 = 185,366.06 : x
  2. Step 2: Convert to fraction form
    269,510.88/403,878.78 = 185,366.06/x
  3. Step 3: Cross multiply
    269,510.88x = 403,878.78 × 185,366.06
  4. Step 4: Simplify right side
    269,510.88x = 74,865,416,146.81
  5. Step 5: Solve for x
    x = 74,865,416,146.81/269,510.88
  6. Step 6: Final answer
    x = 277,782.54

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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.