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Finding the Fourth Proportional to 572,606.32, 858,261.48 and 291,529.84

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Solution

The fourth proportional to 572,606.32, 858,261.48 and 291,529.84 is: 436,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,606.32 : 858,261.48 = 291,529.84 : x
  2. Step 2: Convert to fraction form
    572,606.32/858,261.48 = 291,529.84/x
  3. Step 3: Cross multiply
    572,606.32x = 858,261.48 × 291,529.84
  4. Step 4: Simplify right side
    572,606.32x = 250,208,831,942.56
  5. Step 5: Solve for x
    x = 250,208,831,942.56/572,606.32
  6. Step 6: Final answer
    x = 436,964.85

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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.