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Finding the Fourth Proportional to 377,292.40, 565,743.80 and 111,018.30

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Solution

The fourth proportional to 377,292.40, 565,743.80 and 111,018.30 is: 166,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,292.40 : 565,743.80 = 111,018.30 : x
  2. Step 2: Convert to fraction form
    377,292.40/565,743.80 = 111,018.30/x
  3. Step 3: Cross multiply
    377,292.40x = 565,743.80 × 111,018.30
  4. Step 4: Simplify right side
    377,292.40x = 62,807,914,911.54
  5. Step 5: Solve for x
    x = 62,807,914,911.54/377,292.40
  6. Step 6: Final answer
    x = 166,470.13

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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.