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Finding the Fourth Proportional to 341,197.80, 511,796.70 and 262,465.80

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Solution

The fourth proportional to 341,197.80, 511,796.70 and 262,465.80 is: 393,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,197.80 : 511,796.70 = 262,465.80 : x
  2. Step 2: Convert to fraction form
    341,197.80/511,796.70 = 262,465.80/x
  3. Step 3: Cross multiply
    341,197.80x = 511,796.70 × 262,465.80
  4. Step 4: Simplify right side
    341,197.80x = 134,329,130,302.86
  5. Step 5: Solve for x
    x = 134,329,130,302.86/341,197.80
  6. Step 6: Final answer
    x = 393,698.70

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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.