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Finding the Fourth Proportional to 262,477.76, 362,393.64 and 201,941.60

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Solution

The fourth proportional to 262,477.76, 362,393.64 and 201,941.60 is: 278,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,477.76 : 362,393.64 = 201,941.60 : x
  2. Step 2: Convert to fraction form
    262,477.76/362,393.64 = 201,941.60/x
  3. Step 3: Cross multiply
    262,477.76x = 362,393.64 × 201,941.60
  4. Step 4: Simplify right side
    262,477.76x = 73,182,351,491.42
  5. Step 5: Solve for x
    x = 73,182,351,491.42/262,477.76
  6. Step 6: Final answer
    x = 278,813.53

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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.