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Finding the Fourth Proportional to 634,205.94, 875,197.50 and 347,725.32

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Solution

The fourth proportional to 634,205.94, 875,197.50 and 347,725.32 is: 479,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,205.94 : 875,197.50 = 347,725.32 : x
  2. Step 2: Convert to fraction form
    634,205.94/875,197.50 = 347,725.32/x
  3. Step 3: Cross multiply
    634,205.94x = 875,197.50 × 347,725.32
  4. Step 4: Simplify right side
    634,205.94x = 304,328,330,750.70
  5. Step 5: Solve for x
    x = 304,328,330,750.70/634,205.94
  6. Step 6: Final answer
    x = 479,857.27

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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.