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Finding the Fourth Proportional to 336,129.60, 504,194.40 and 318,633.60

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Solution

The fourth proportional to 336,129.60, 504,194.40 and 318,633.60 is: 477,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,129.60 : 504,194.40 = 318,633.60 : x
  2. Step 2: Convert to fraction form
    336,129.60/504,194.40 = 318,633.60/x
  3. Step 3: Cross multiply
    336,129.60x = 504,194.40 × 318,633.60
  4. Step 4: Simplify right side
    336,129.60x = 160,653,276,771.84
  5. Step 5: Solve for x
    x = 160,653,276,771.84/336,129.60
  6. Step 6: Final answer
    x = 477,950.40

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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.