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Finding the Fourth Proportional to 496,486.70, 743,964.60 and 369,531.35

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Solution

The fourth proportional to 496,486.70, 743,964.60 and 369,531.35 is: 553,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,486.70 : 743,964.60 = 369,531.35 : x
  2. Step 2: Convert to fraction form
    496,486.70/743,964.60 = 369,531.35/x
  3. Step 3: Cross multiply
    496,486.70x = 743,964.60 × 369,531.35
  4. Step 4: Simplify right side
    496,486.70x = 274,918,242,990.21
  5. Step 5: Solve for x
    x = 274,918,242,990.21/496,486.70
  6. Step 6: Final answer
    x = 553,727.31

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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.