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Finding the Fourth Proportional to 548,600.70, 822,901.05 and 455,288.70

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Solution

The fourth proportional to 548,600.70, 822,901.05 and 455,288.70 is: 682,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,600.70 : 822,901.05 = 455,288.70 : x
  2. Step 2: Convert to fraction form
    548,600.70/822,901.05 = 455,288.70/x
  3. Step 3: Cross multiply
    548,600.70x = 822,901.05 × 455,288.70
  4. Step 4: Simplify right side
    548,600.70x = 374,657,549,283.14
  5. Step 5: Solve for x
    x = 374,657,549,283.14/548,600.70
  6. Step 6: Final answer
    x = 682,933.05

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Similar ratio
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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.