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Finding the Fourth Proportional to 295,718.77, 408,082.16 and 186,881.27

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Solution

The fourth proportional to 295,718.77, 408,082.16 and 186,881.27 is: 257,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,718.77 : 408,082.16 = 186,881.27 : x
  2. Step 2: Convert to fraction form
    295,718.77/408,082.16 = 186,881.27/x
  3. Step 3: Cross multiply
    295,718.77x = 408,082.16 × 186,881.27
  4. Step 4: Simplify right side
    295,718.77x = 76,262,912,325.14
  5. Step 5: Solve for x
    x = 76,262,912,325.14/295,718.77
  6. Step 6: Final answer
    x = 257,890.00

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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.