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Finding the Fourth Proportional to 341,570.80, 511,765.68 and 265,692.88

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Solution

The fourth proportional to 341,570.80, 511,765.68 and 265,692.88 is: 398,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,570.80 : 511,765.68 = 265,692.88 : x
  2. Step 2: Convert to fraction form
    341,570.80/511,765.68 = 265,692.88/x
  3. Step 3: Cross multiply
    341,570.80x = 511,765.68 × 265,692.88
  4. Step 4: Simplify right side
    341,570.80x = 135,972,497,404.36
  5. Step 5: Solve for x
    x = 135,972,497,404.36/341,570.80
  6. Step 6: Final answer
    x = 398,079.98

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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.