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Finding the Fourth Proportional to 451,468.44, 623,028.78 and 260,489.88

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Solution

The fourth proportional to 451,468.44, 623,028.78 and 260,489.88 is: 359,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,468.44 : 623,028.78 = 260,489.88 : x
  2. Step 2: Convert to fraction form
    451,468.44/623,028.78 = 260,489.88/x
  3. Step 3: Cross multiply
    451,468.44x = 623,028.78 × 260,489.88
  4. Step 4: Simplify right side
    451,468.44x = 162,292,692,138.75
  5. Step 5: Solve for x
    x = 162,292,692,138.75/451,468.44
  6. Step 6: Final answer
    x = 359,477.38

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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.