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Finding the Fourth Proportional to 335,801.40, 503,702.10 and 299,059.80

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Solution

The fourth proportional to 335,801.40, 503,702.10 and 299,059.80 is: 448,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,801.40 : 503,702.10 = 299,059.80 : x
  2. Step 2: Convert to fraction form
    335,801.40/503,702.10 = 299,059.80/x
  3. Step 3: Cross multiply
    335,801.40x = 503,702.10 × 299,059.80
  4. Step 4: Simplify right side
    335,801.40x = 150,637,049,285.58
  5. Step 5: Solve for x
    x = 150,637,049,285.58/335,801.40
  6. Step 6: Final answer
    x = 448,589.70

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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.