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Finding the Fourth Proportional to 333,785.55, 500,528.61 and 198,913.26

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Solution

The fourth proportional to 333,785.55, 500,528.61 and 198,913.26 is: 298,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,785.55 : 500,528.61 = 198,913.26 : x
  2. Step 2: Convert to fraction form
    333,785.55/500,528.61 = 198,913.26/x
  3. Step 3: Cross multiply
    333,785.55x = 500,528.61 × 198,913.26
  4. Step 4: Simplify right side
    333,785.55x = 99,561,777,538.37
  5. Step 5: Solve for x
    x = 99,561,777,538.37/333,785.55
  6. Step 6: Final answer
    x = 298,280.67

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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.