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Finding the Fourth Proportional to 543,831.81, 750,474.42 and 302,114.97

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Solution

The fourth proportional to 543,831.81, 750,474.42 and 302,114.97 is: 416,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,831.81 : 750,474.42 = 302,114.97 : x
  2. Step 2: Convert to fraction form
    543,831.81/750,474.42 = 302,114.97/x
  3. Step 3: Cross multiply
    543,831.81x = 750,474.42 × 302,114.97
  4. Step 4: Simplify right side
    543,831.81x = 226,729,556,884.07
  5. Step 5: Solve for x
    x = 226,729,556,884.07/543,831.81
  6. Step 6: Final answer
    x = 416,911.17

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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.