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Finding the Fourth Proportional to 318,033.60, 477,050.40 and 193,617.60

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Solution

The fourth proportional to 318,033.60, 477,050.40 and 193,617.60 is: 290,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,033.60 : 477,050.40 = 193,617.60 : x
  2. Step 2: Convert to fraction form
    318,033.60/477,050.40 = 193,617.60/x
  3. Step 3: Cross multiply
    318,033.60x = 477,050.40 × 193,617.60
  4. Step 4: Simplify right side
    318,033.60x = 92,365,353,527.04
  5. Step 5: Solve for x
    x = 92,365,353,527.04/318,033.60
  6. Step 6: Final answer
    x = 290,426.40

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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.