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Finding the Fourth Proportional to 844,462, 1,165,370.20 and 462,524.40

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Solution

The fourth proportional to 844,462, 1,165,370.20 and 462,524.40 is: 638,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,462 : 1,165,370.20 = 462,524.40 : x
  2. Step 2: Convert to fraction form
    844,462/1,165,370.20 = 462,524.40/x
  3. Step 3: Cross multiply
    844,462x = 1,165,370.20 × 462,524.40
  4. Step 4: Simplify right side
    844,462x = 539,012,152,532.88
  5. Step 5: Solve for x
    x = 539,012,152,532.88/844,462
  6. Step 6: Final answer
    x = 638,290.60

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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.