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Finding the Fourth Proportional to 328,863, 453,831.35 and 177,960

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Solution

The fourth proportional to 328,863, 453,831.35 and 177,960 is: 245,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,863 : 453,831.35 = 177,960 : x
  2. Step 2: Convert to fraction form
    328,863/453,831.35 = 177,960/x
  3. Step 3: Cross multiply
    328,863x = 453,831.35 × 177,960
  4. Step 4: Simplify right side
    328,863x = 80,763,826,156.20
  5. Step 5: Solve for x
    x = 80,763,826,156.20/328,863
  6. Step 6: Final answer
    x = 245,585.02

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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.