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Finding the Fourth Proportional to 295,297.20, 407,368.44 and 193,277.76

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Solution

The fourth proportional to 295,297.20, 407,368.44 and 193,277.76 is: 266,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,297.20 : 407,368.44 = 193,277.76 : x
  2. Step 2: Convert to fraction form
    295,297.20/407,368.44 = 193,277.76/x
  3. Step 3: Cross multiply
    295,297.20x = 407,368.44 × 193,277.76
  4. Step 4: Simplify right side
    295,297.20x = 78,735,259,577.89
  5. Step 5: Solve for x
    x = 78,735,259,577.89/295,297.20
  6. Step 6: Final answer
    x = 266,630.57

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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.