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Finding the Fourth Proportional to 571,617.96, 856,679.46 and 234,263.64

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Solution

The fourth proportional to 571,617.96, 856,679.46 and 234,263.64 is: 351,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,617.96 : 856,679.46 = 234,263.64 : x
  2. Step 2: Convert to fraction form
    571,617.96/856,679.46 = 234,263.64/x
  3. Step 3: Cross multiply
    571,617.96x = 856,679.46 × 234,263.64
  4. Step 4: Simplify right side
    571,617.96x = 200,688,848,612.83
  5. Step 5: Solve for x
    x = 200,688,848,612.83/571,617.96
  6. Step 6: Final answer
    x = 351,089.12

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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.