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Finding the Fourth Proportional to 416,941.07, 575,379.15 and 225,954.45

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Solution

The fourth proportional to 416,941.07, 575,379.15 and 225,954.45 is: 311,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,941.07 : 575,379.15 = 225,954.45 : x
  2. Step 2: Convert to fraction form
    416,941.07/575,379.15 = 225,954.45/x
  3. Step 3: Cross multiply
    416,941.07x = 575,379.15 × 225,954.45
  4. Step 4: Simplify right side
    416,941.07x = 130,009,479,379.72
  5. Step 5: Solve for x
    x = 130,009,479,379.72/416,941.07
  6. Step 6: Final answer
    x = 311,817.40

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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.