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Finding the Fourth Proportional to 504,818.20, 757,246.74 and 130,831.48

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Solution

The fourth proportional to 504,818.20, 757,246.74 and 130,831.48 is: 196,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,818.20 : 757,246.74 = 130,831.48 : x
  2. Step 2: Convert to fraction form
    504,818.20/757,246.74 = 130,831.48/x
  3. Step 3: Cross multiply
    504,818.20x = 757,246.74 × 130,831.48
  4. Step 4: Simplify right side
    504,818.20x = 99,071,711,719.38
  5. Step 5: Solve for x
    x = 99,071,711,719.38/504,818.20
  6. Step 6: Final answer
    x = 196,252.26

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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.