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Finding the Fourth Proportional to 341,470.80, 511,745.40 and 242,859.60

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Solution

The fourth proportional to 341,470.80, 511,745.40 and 242,859.60 is: 363,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,470.80 : 511,745.40 = 242,859.60 : x
  2. Step 2: Convert to fraction form
    341,470.80/511,745.40 = 242,859.60/x
  3. Step 3: Cross multiply
    341,470.80x = 511,745.40 × 242,859.60
  4. Step 4: Simplify right side
    341,470.80x = 124,282,283,145.84
  5. Step 5: Solve for x
    x = 124,282,283,145.84/341,470.80
  6. Step 6: Final answer
    x = 363,961.67

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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.