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Finding the Fourth Proportional to 484,486.60, 726,729.90 and 464,009.80

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Solution

The fourth proportional to 484,486.60, 726,729.90 and 464,009.80 is: 696,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,486.60 : 726,729.90 = 464,009.80 : x
  2. Step 2: Convert to fraction form
    484,486.60/726,729.90 = 464,009.80/x
  3. Step 3: Cross multiply
    484,486.60x = 726,729.90 × 464,009.80
  4. Step 4: Simplify right side
    484,486.60x = 337,209,795,553.02
  5. Step 5: Solve for x
    x = 337,209,795,553.02/484,486.60
  6. Step 6: Final answer
    x = 696,014.70

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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.