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Finding the Fourth Proportional to 546,951.60, 754,831.38 and 305,238.21

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Solution

The fourth proportional to 546,951.60, 754,831.38 and 305,238.21 is: 421,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,951.60 : 754,831.38 = 305,238.21 : x
  2. Step 2: Convert to fraction form
    546,951.60/754,831.38 = 305,238.21/x
  3. Step 3: Cross multiply
    546,951.60x = 754,831.38 × 305,238.21
  4. Step 4: Simplify right side
    546,951.60x = 230,403,379,283.03
  5. Step 5: Solve for x
    x = 230,403,379,283.03/546,951.60
  6. Step 6: Final answer
    x = 421,250.03

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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.