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Finding the Fourth Proportional to 379,893.98, 524,357.34 and 236,569.34

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Solution

The fourth proportional to 379,893.98, 524,357.34 and 236,569.34 is: 326,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,893.98 : 524,357.34 = 236,569.34 : x
  2. Step 2: Convert to fraction form
    379,893.98/524,357.34 = 236,569.34/x
  3. Step 3: Cross multiply
    379,893.98x = 524,357.34 × 236,569.34
  4. Step 4: Simplify right side
    379,893.98x = 124,046,869,847.96
  5. Step 5: Solve for x
    x = 124,046,869,847.96/379,893.98
  6. Step 6: Final answer
    x = 326,530.23

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1.5x scale

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.