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Finding the Fourth Proportional to 451,650.72, 623,233.08 and 260,725.64

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Solution

The fourth proportional to 451,650.72, 623,233.08 and 260,725.64 is: 359,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,650.72 : 623,233.08 = 260,725.64 : x
  2. Step 2: Convert to fraction form
    451,650.72/623,233.08 = 260,725.64/x
  3. Step 3: Cross multiply
    451,650.72x = 623,233.08 × 260,725.64
  4. Step 4: Simplify right side
    451,650.72x = 162,492,843,652.17
  5. Step 5: Solve for x
    x = 162,492,843,652.17/451,650.72
  6. Step 6: Final answer
    x = 359,775.46

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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.