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Finding the Fourth Proportional to 341,364.90, 511,063.20 and 301,998.90

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Solution

The fourth proportional to 341,364.90, 511,063.20 and 301,998.90 is: 452,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,364.90 : 511,063.20 = 301,998.90 : x
  2. Step 2: Convert to fraction form
    341,364.90/511,063.20 = 301,998.90/x
  3. Step 3: Cross multiply
    341,364.90x = 511,063.20 × 301,998.90
  4. Step 4: Simplify right side
    341,364.90x = 154,340,524,230.48
  5. Step 5: Solve for x
    x = 154,340,524,230.48/341,364.90
  6. Step 6: Final answer
    x = 452,127.69

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1.5x scale

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.