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Finding the Fourth Proportional to 4,734,429.60, 7,096,978.80 and 2,336,311.20

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Solution

The fourth proportional to 4,734,429.60, 7,096,978.80 and 2,336,311.20 is: 3,502,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734,429.60 : 7,096,978.80 = 2,336,311.20 : x
  2. Step 2: Convert to fraction form
    4,734,429.60/7,096,978.80 = 2,336,311.20/x
  3. Step 3: Cross multiply
    4,734,429.60x = 7,096,978.80 × 2,336,311.20
  4. Step 4: Simplify right side
    4,734,429.60x = 16,580,751,056,602.56
  5. Step 5: Solve for x
    x = 16,580,751,056,602.56/4,734,429.60
  6. Step 6: Final answer
    x = 3,502,164.45

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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.