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Finding the Fourth Proportional to 335,669.45, 503,504.16 and 98,993.67

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Solution

The fourth proportional to 335,669.45, 503,504.16 and 98,993.67 is: 148,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,669.45 : 503,504.16 = 98,993.67 : x
  2. Step 2: Convert to fraction form
    335,669.45/503,504.16 = 98,993.67/x
  3. Step 3: Cross multiply
    335,669.45x = 503,504.16 × 98,993.67
  4. Step 4: Simplify right side
    335,669.45x = 49,843,724,658.67
  5. Step 5: Solve for x
    x = 49,843,724,658.67/335,669.45
  6. Step 6: Final answer
    x = 148,490.50

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Double scale
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Similar ratio
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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.