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Finding the Fourth Proportional to 323,466.69, 485,273.85 and 98,859.06

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Solution

The fourth proportional to 323,466.69, 485,273.85 and 98,859.06 is: 148,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,466.69 : 485,273.85 = 98,859.06 : x
  2. Step 2: Convert to fraction form
    323,466.69/485,273.85 = 98,859.06/x
  3. Step 3: Cross multiply
    323,466.69x = 485,273.85 × 98,859.06
  4. Step 4: Simplify right side
    323,466.69x = 47,973,716,653.58
  5. Step 5: Solve for x
    x = 47,973,716,653.58/323,466.69
  6. Step 6: Final answer
    x = 148,311.15

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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.