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Finding the Fourth Proportional to 323,336.44, 485,004.72 and 98,698.12

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Solution

The fourth proportional to 323,336.44, 485,004.72 and 98,698.12 is: 148,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,336.44 : 485,004.72 = 98,698.12 : x
  2. Step 2: Convert to fraction form
    323,336.44/485,004.72 = 98,698.12/x
  3. Step 3: Cross multiply
    323,336.44x = 485,004.72 × 98,698.12
  4. Step 4: Simplify right side
    323,336.44x = 47,869,054,055.13
  5. Step 5: Solve for x
    x = 47,869,054,055.13/323,336.44
  6. Step 6: Final answer
    x = 148,047.20

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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.