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Finding the Fourth Proportional to 335,658.36, 503,314.20 and 98,970.96

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Solution

The fourth proportional to 335,658.36, 503,314.20 and 98,970.96 is: 148,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,658.36 : 503,314.20 = 98,970.96 : x
  2. Step 2: Convert to fraction form
    335,658.36/503,314.20 = 98,970.96/x
  3. Step 3: Cross multiply
    335,658.36x = 503,314.20 × 98,970.96
  4. Step 4: Simplify right side
    335,658.36x = 49,813,489,555.63
  5. Step 5: Solve for x
    x = 49,813,489,555.63/335,658.36
  6. Step 6: Final answer
    x = 148,405.33

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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.