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Finding the Fourth Proportional to 692,467.37, 956,037.02 and 447,580.34

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Solution

The fourth proportional to 692,467.37, 956,037.02 and 447,580.34 is: 617,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,467.37 : 956,037.02 = 447,580.34 : x
  2. Step 2: Convert to fraction form
    692,467.37/956,037.02 = 447,580.34/x
  3. Step 3: Cross multiply
    692,467.37x = 956,037.02 × 447,580.34
  4. Step 4: Simplify right side
    692,467.37x = 427,903,374,464.19
  5. Step 5: Solve for x
    x = 427,903,374,464.19/692,467.37
  6. Step 6: Final answer
    x = 617,940.13

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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.