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Finding the Fourth Proportional to 575,993.70, 795,170.13 and 420,770.70

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Solution

The fourth proportional to 575,993.70, 795,170.13 and 420,770.70 is: 580,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,993.70 : 795,170.13 = 420,770.70 : x
  2. Step 2: Convert to fraction form
    575,993.70/795,170.13 = 420,770.70/x
  3. Step 3: Cross multiply
    575,993.70x = 795,170.13 × 420,770.70
  4. Step 4: Simplify right side
    575,993.70x = 334,584,295,244.57
  5. Step 5: Solve for x
    x = 334,584,295,244.57/575,993.70
  6. Step 6: Final answer
    x = 580,881.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.