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Finding the Fourth Proportional to 605,113.20, 906,114.60 and 446,482.80

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Solution

The fourth proportional to 605,113.20, 906,114.60 and 446,482.80 is: 668,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,113.20 : 906,114.60 = 446,482.80 : x
  2. Step 2: Convert to fraction form
    605,113.20/906,114.60 = 446,482.80/x
  3. Step 3: Cross multiply
    605,113.20x = 906,114.60 × 446,482.80
  4. Step 4: Simplify right side
    605,113.20x = 404,564,583,728.88
  5. Step 5: Solve for x
    x = 404,564,583,728.88/605,113.20
  6. Step 6: Final answer
    x = 668,576.70

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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.