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Finding the Fourth Proportional to 633,507.31, 874,240.24 and 347,037.58

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Solution

The fourth proportional to 633,507.31, 874,240.24 and 347,037.58 is: 478,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,507.31 : 874,240.24 = 347,037.58 : x
  2. Step 2: Convert to fraction form
    633,507.31/874,240.24 = 347,037.58/x
  3. Step 3: Cross multiply
    633,507.31x = 874,240.24 × 347,037.58
  4. Step 4: Simplify right side
    633,507.31x = 303,394,212,857.02
  5. Step 5: Solve for x
    x = 303,394,212,857.02/633,507.31
  6. Step 6: Final answer
    x = 478,911.94

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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.