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Finding the Fourth Proportional to 467,361.70, 699,566.32 and 366,978.40

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Solution

The fourth proportional to 467,361.70, 699,566.32 and 366,978.40 is: 549,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,361.70 : 699,566.32 = 366,978.40 : x
  2. Step 2: Convert to fraction form
    467,361.70/699,566.32 = 366,978.40/x
  3. Step 3: Cross multiply
    467,361.70x = 699,566.32 × 366,978.40
  4. Step 4: Simplify right side
    467,361.70x = 256,725,728,807.49
  5. Step 5: Solve for x
    x = 256,725,728,807.49/467,361.70
  6. Step 6: Final answer
    x = 549,308.45

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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.