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Finding the Fourth Proportional to 364,783.50, 546,725.97 and 259,029.90

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Solution

The fourth proportional to 364,783.50, 546,725.97 and 259,029.90 is: 388,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,783.50 : 546,725.97 = 259,029.90 : x
  2. Step 2: Convert to fraction form
    364,783.50/546,725.97 = 259,029.90/x
  3. Step 3: Cross multiply
    364,783.50x = 546,725.97 × 259,029.90
  4. Step 4: Simplify right side
    364,783.50x = 141,618,373,336.50
  5. Step 5: Solve for x
    x = 141,618,373,336.50/364,783.50
  6. Step 6: Final answer
    x = 388,225.82

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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.