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Finding the Fourth Proportional to 369,881.06, 510,433.72 and 200,111.54

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Solution

The fourth proportional to 369,881.06, 510,433.72 and 200,111.54 is: 276,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,881.06 : 510,433.72 = 200,111.54 : x
  2. Step 2: Convert to fraction form
    369,881.06/510,433.72 = 200,111.54/x
  3. Step 3: Cross multiply
    369,881.06x = 510,433.72 × 200,111.54
  4. Step 4: Simplify right side
    369,881.06x = 102,143,674,724.68
  5. Step 5: Solve for x
    x = 102,143,674,724.68/369,881.06
  6. Step 6: Final answer
    x = 276,152.76

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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.