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Finding the Fourth Proportional to 465,903.60, 698,855.40 and 444,252.30

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Solution

The fourth proportional to 465,903.60, 698,855.40 and 444,252.30 is: 666,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,903.60 : 698,855.40 = 444,252.30 : x
  2. Step 2: Convert to fraction form
    465,903.60/698,855.40 = 444,252.30/x
  3. Step 3: Cross multiply
    465,903.60x = 698,855.40 × 444,252.30
  4. Step 4: Simplify right side
    465,903.60x = 310,468,118,817.42
  5. Step 5: Solve for x
    x = 310,468,118,817.42/465,903.60
  6. Step 6: Final answer
    x = 666,378.45

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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.