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Finding the Fourth Proportional to 336,065.40, 504,098.10 and 299,323.80

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Solution

The fourth proportional to 336,065.40, 504,098.10 and 299,323.80 is: 448,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,065.40 : 504,098.10 = 299,323.80 : x
  2. Step 2: Convert to fraction form
    336,065.40/504,098.10 = 299,323.80/x
  3. Step 3: Cross multiply
    336,065.40x = 504,098.10 × 299,323.80
  4. Step 4: Simplify right side
    336,065.40x = 150,888,558,864.78
  5. Step 5: Solve for x
    x = 150,888,558,864.78/336,065.40
  6. Step 6: Final answer
    x = 448,985.70

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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.