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Finding the Fourth Proportional to 603,528.76, 832,883.66 and 331,613.64

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Solution

The fourth proportional to 603,528.76, 832,883.66 and 331,613.64 is: 457,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,528.76 : 832,883.66 = 331,613.64 : x
  2. Step 2: Convert to fraction form
    603,528.76/832,883.66 = 331,613.64/x
  3. Step 3: Cross multiply
    603,528.76x = 832,883.66 × 331,613.64
  4. Step 4: Simplify right side
    603,528.76x = 276,195,582,189.12
  5. Step 5: Solve for x
    x = 276,195,582,189.12/603,528.76
  6. Step 6: Final answer
    x = 457,634.50

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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.