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Finding the Fourth Proportional to 397,688.64, 597,529.41 and 373,773.79

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Solution

The fourth proportional to 397,688.64, 597,529.41 and 373,773.79 is: 561,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,688.64 : 597,529.41 = 373,773.79 : x
  2. Step 2: Convert to fraction form
    397,688.64/597,529.41 = 373,773.79/x
  3. Step 3: Cross multiply
    397,688.64x = 597,529.41 × 373,773.79
  4. Step 4: Simplify right side
    397,688.64x = 223,340,831,557.42
  5. Step 5: Solve for x
    x = 223,340,831,557.42/397,688.64
  6. Step 6: Final answer
    x = 561,597.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.