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Finding the Fourth Proportional to 603,937.20, 833,449.28 and 328,313.59

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Solution

The fourth proportional to 603,937.20, 833,449.28 and 328,313.59 is: 453,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,937.20 : 833,449.28 = 328,313.59 : x
  2. Step 2: Convert to fraction form
    603,937.20/833,449.28 = 328,313.59/x
  3. Step 3: Cross multiply
    603,937.20x = 833,449.28 × 328,313.59
  4. Step 4: Simplify right side
    603,937.20x = 273,632,725,199.72
  5. Step 5: Solve for x
    x = 273,632,725,199.72/603,937.20
  6. Step 6: Final answer
    x = 453,081.42

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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.