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Finding the Fourth Proportional to 603,194.40, 904,532.40 and 303,559.20

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Solution

The fourth proportional to 603,194.40, 904,532.40 and 303,559.20 is: 455,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,194.40 : 904,532.40 = 303,559.20 : x
  2. Step 2: Convert to fraction form
    603,194.40/904,532.40 = 303,559.20/x
  3. Step 3: Cross multiply
    603,194.40x = 904,532.40 × 303,559.20
  4. Step 4: Simplify right side
    603,194.40x = 274,579,131,718.08
  5. Step 5: Solve for x
    x = 274,579,131,718.08/603,194.40
  6. Step 6: Final answer
    x = 455,208.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.