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Finding the Fourth Proportional to 369,685.06, 510,162.81 and 199,916.74

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Solution

The fourth proportional to 369,685.06, 510,162.81 and 199,916.74 is: 275,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,685.06 : 510,162.81 = 199,916.74 : x
  2. Step 2: Convert to fraction form
    369,685.06/510,162.81 = 199,916.74/x
  3. Step 3: Cross multiply
    369,685.06x = 510,162.81 × 199,916.74
  4. Step 4: Simplify right side
    369,685.06x = 101,990,085,844.44
  5. Step 5: Solve for x
    x = 101,990,085,844.44/369,685.06
  6. Step 6: Final answer
    x = 275,883.71

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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.