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Finding the Fourth Proportional to 6,455,602.94, 8,907,790.19 and 3,664,292.45

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Solution

The fourth proportional to 6,455,602.94, 8,907,790.19 and 3,664,292.45 is: 5,056,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455,602.94 : 8,907,790.19 = 3,664,292.45 : x
  2. Step 2: Convert to fraction form
    6,455,602.94/8,907,790.19 = 3,664,292.45/x
  3. Step 3: Cross multiply
    6,455,602.94x = 8,907,790.19 × 3,664,292.45
  4. Step 4: Simplify right side
    6,455,602.94x = 32,640,748,276,540.65
  5. Step 5: Solve for x
    x = 32,640,748,276,540.65/6,455,602.94
  6. Step 6: Final answer
    x = 5,056,188.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.