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Finding the Fourth Proportional to 451,507.44, 623,082.72 and 260,528.88

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Solution

The fourth proportional to 451,507.44, 623,082.72 and 260,528.88 is: 359,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,507.44 : 623,082.72 = 260,528.88 : x
  2. Step 2: Convert to fraction form
    451,507.44/623,082.72 = 260,528.88/x
  3. Step 3: Cross multiply
    451,507.44x = 623,082.72 × 260,528.88
  4. Step 4: Simplify right side
    451,507.44x = 162,331,043,188.95
  5. Step 5: Solve for x
    x = 162,331,043,188.95/451,507.44
  6. Step 6: Final answer
    x = 359,531.27

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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.