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Finding the Fourth Proportional to 382,303.60, 573,455.40 and 195,679.60

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Solution

The fourth proportional to 382,303.60, 573,455.40 and 195,679.60 is: 293,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,303.60 : 573,455.40 = 195,679.60 : x
  2. Step 2: Convert to fraction form
    382,303.60/573,455.40 = 195,679.60/x
  3. Step 3: Cross multiply
    382,303.60x = 573,455.40 × 195,679.60
  4. Step 4: Simplify right side
    382,303.60x = 112,213,523,289.84
  5. Step 5: Solve for x
    x = 112,213,523,289.84/382,303.60
  6. Step 6: Final answer
    x = 293,519.40

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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.