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Finding the Fourth Proportional to 603,319.03, 832,725.26 and 345,345.52

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Solution

The fourth proportional to 603,319.03, 832,725.26 and 345,345.52 is: 476,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,319.03 : 832,725.26 = 345,345.52 : x
  2. Step 2: Convert to fraction form
    603,319.03/832,725.26 = 345,345.52/x
  3. Step 3: Cross multiply
    603,319.03x = 832,725.26 × 345,345.52
  4. Step 4: Simplify right side
    603,319.03x = 287,577,933,768.21
  5. Step 5: Solve for x
    x = 287,577,933,768.21/603,319.03
  6. Step 6: Final answer
    x = 476,659.81

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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.