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Finding the Fourth Proportional to 8,454,266.40, 12,672,068.40 and 4,670,464.80

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Solution

The fourth proportional to 8,454,266.40, 12,672,068.40 and 4,670,464.80 is: 7,000,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454,266.40 : 12,672,068.40 = 4,670,464.80 : x
  2. Step 2: Convert to fraction form
    8,454,266.40/12,672,068.40 = 4,670,464.80/x
  3. Step 3: Cross multiply
    8,454,266.40x = 12,672,068.40 × 4,670,464.80
  4. Step 4: Simplify right side
    8,454,266.40x = 59,184,449,405,392.32
  5. Step 5: Solve for x
    x = 59,184,449,405,392.32/8,454,266.40
  6. Step 6: Final answer
    x = 7,000,542.28

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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.