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Finding the Fourth Proportional to 482,048.01, 665,214.93 and 278,099.37

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Solution

The fourth proportional to 482,048.01, 665,214.93 and 278,099.37 is: 383,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,048.01 : 665,214.93 = 278,099.37 : x
  2. Step 2: Convert to fraction form
    482,048.01/665,214.93 = 278,099.37/x
  3. Step 3: Cross multiply
    482,048.01x = 665,214.93 × 278,099.37
  4. Step 4: Simplify right side
    482,048.01x = 184,995,852,947.59
  5. Step 5: Solve for x
    x = 184,995,852,947.59/482,048.01
  6. Step 6: Final answer
    x = 383,770.60

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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.