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Finding the Fourth Proportional to 1,772,978.02, 2,659,467.01 and 443,282.02

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Solution

The fourth proportional to 1,772,978.02, 2,659,467.01 and 443,282.02 is: 664,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,978.02 : 2,659,467.01 = 443,282.02 : x
  2. Step 2: Convert to fraction form
    1,772,978.02/2,659,467.01 = 443,282.02/x
  3. Step 3: Cross multiply
    1,772,978.02x = 2,659,467.01 × 443,282.02
  4. Step 4: Simplify right side
    1,772,978.02x = 1,178,893,908,316.16
  5. Step 5: Solve for x
    x = 1,178,893,908,316.16/1,772,978.02
  6. Step 6: Final answer
    x = 664,923.02

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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.