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Finding the Fourth Proportional to 333,611.20, 500,416.80 and 165,066.40

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Solution

The fourth proportional to 333,611.20, 500,416.80 and 165,066.40 is: 247,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,611.20 : 500,416.80 = 165,066.40 : x
  2. Step 2: Convert to fraction form
    333,611.20/500,416.80 = 165,066.40/x
  3. Step 3: Cross multiply
    333,611.20x = 500,416.80 × 165,066.40
  4. Step 4: Simplify right side
    333,611.20x = 82,601,999,675.52
  5. Step 5: Solve for x
    x = 82,601,999,675.52/333,611.20
  6. Step 6: Final answer
    x = 247,599.60

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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.