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Finding the Fourth Proportional to 341,360.80, 511,166.40 and 252,131.20

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Solution

The fourth proportional to 341,360.80, 511,166.40 and 252,131.20 is: 377,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,360.80 : 511,166.40 = 252,131.20 : x
  2. Step 2: Convert to fraction form
    341,360.80/511,166.40 = 252,131.20/x
  3. Step 3: Cross multiply
    341,360.80x = 511,166.40 × 252,131.20
  4. Step 4: Simplify right side
    341,360.80x = 128,880,997,831.68
  5. Step 5: Solve for x
    x = 128,880,997,831.68/341,360.80
  6. Step 6: Final answer
    x = 377,550.67

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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.