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Finding the Fourth Proportional to 465,926.40, 698,889.60 and 297,964.80

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Solution

The fourth proportional to 465,926.40, 698,889.60 and 297,964.80 is: 446,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,926.40 : 698,889.60 = 297,964.80 : x
  2. Step 2: Convert to fraction form
    465,926.40/698,889.60 = 297,964.80/x
  3. Step 3: Cross multiply
    465,926.40x = 698,889.60 × 297,964.80
  4. Step 4: Simplify right side
    465,926.40x = 208,244,499,886.08
  5. Step 5: Solve for x
    x = 208,244,499,886.08/465,926.40
  6. Step 6: Final answer
    x = 446,947.20

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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.