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Finding the Fourth Proportional to 562,314.35, 775,974.50 and 320,674.69

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Solution

The fourth proportional to 562,314.35, 775,974.50 and 320,674.69 is: 442,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,314.35 : 775,974.50 = 320,674.69 : x
  2. Step 2: Convert to fraction form
    562,314.35/775,974.50 = 320,674.69/x
  3. Step 3: Cross multiply
    562,314.35x = 775,974.50 × 320,674.69
  4. Step 4: Simplify right side
    562,314.35x = 248,835,378,692.10
  5. Step 5: Solve for x
    x = 248,835,378,692.10/562,314.35
  6. Step 6: Final answer
    x = 442,520.06

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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.