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Finding the Fourth Proportional to 336,031.40, 504,047.10 and 299,289.80

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Solution

The fourth proportional to 336,031.40, 504,047.10 and 299,289.80 is: 448,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,031.40 : 504,047.10 = 299,289.80 : x
  2. Step 2: Convert to fraction form
    336,031.40/504,047.10 = 299,289.80/x
  3. Step 3: Cross multiply
    336,031.40x = 504,047.10 × 299,289.80
  4. Step 4: Simplify right side
    336,031.40x = 150,856,155,749.58
  5. Step 5: Solve for x
    x = 150,856,155,749.58/336,031.40
  6. Step 6: Final answer
    x = 448,934.70

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Similar ratio
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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.