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Finding the Fourth Proportional to 262,455.44, 393,492.44 and 104,636.56

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Solution

The fourth proportional to 262,455.44, 393,492.44 and 104,636.56 is: 156,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,455.44 : 393,492.44 = 104,636.56 : x
  2. Step 2: Convert to fraction form
    262,455.44/393,492.44 = 104,636.56/x
  3. Step 3: Cross multiply
    262,455.44x = 393,492.44 × 104,636.56
  4. Step 4: Simplify right side
    262,455.44x = 41,173,695,307.61
  5. Step 5: Solve for x
    x = 41,173,695,307.61/262,455.44
  6. Step 6: Final answer
    x = 156,878.80

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1.5x scale

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.