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Finding the Fourth Proportional to 262,248, 393,373.44 and 65,256

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Solution

The fourth proportional to 262,248, 393,373.44 and 65,256 is: 97,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,248 : 393,373.44 = 65,256 : x
  2. Step 2: Convert to fraction form
    262,248/393,373.44 = 65,256/x
  3. Step 3: Cross multiply
    262,248x = 393,373.44 × 65,256
  4. Step 4: Simplify right side
    262,248x = 25,669,977,200.64
  5. Step 5: Solve for x
    x = 25,669,977,200.64/262,248
  6. Step 6: Final answer
    x = 97,884.36

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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.