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Finding the Fourth Proportional to 637,113, 879,236.64 and 365,232.42

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Solution

The fourth proportional to 637,113, 879,236.64 and 365,232.42 is: 504,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,113 : 879,236.64 = 365,232.42 : x
  2. Step 2: Convert to fraction form
    637,113/879,236.64 = 365,232.42/x
  3. Step 3: Cross multiply
    637,113x = 879,236.64 × 365,232.42
  4. Step 4: Simplify right side
    637,113x = 321,125,725,779.87
  5. Step 5: Solve for x
    x = 321,125,725,779.87/637,113
  6. Step 6: Final answer
    x = 504,032.61

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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.