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Finding the Fourth Proportional to 283,692.32, 388,656.88 and 273,056.48

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Solution

The fourth proportional to 283,692.32, 388,656.88 and 273,056.48 is: 374,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,692.32 : 388,656.88 = 273,056.48 : x
  2. Step 2: Convert to fraction form
    283,692.32/388,656.88 = 273,056.48/x
  3. Step 3: Cross multiply
    283,692.32x = 388,656.88 × 273,056.48
  4. Step 4: Simplify right side
    283,692.32x = 106,125,279,580.58
  5. Step 5: Solve for x
    x = 106,125,279,580.58/283,692.32
  6. Step 6: Final answer
    x = 374,085.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.