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Finding the Fourth Proportional to 336,444.60, 504,668.79 and 99,789.06

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Solution

The fourth proportional to 336,444.60, 504,668.79 and 99,789.06 is: 149,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,444.60 : 504,668.79 = 99,789.06 : x
  2. Step 2: Convert to fraction form
    336,444.60/504,668.79 = 99,789.06/x
  3. Step 3: Cross multiply
    336,444.60x = 504,668.79 × 99,789.06
  4. Step 4: Simplify right side
    336,444.60x = 50,360,424,165.44
  5. Step 5: Solve for x
    x = 50,360,424,165.44/336,444.60
  6. Step 6: Final answer
    x = 149,684.15

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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.