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Finding the Fourth Proportional to 590,956.70, 829,438.90 and 590,956.70

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Solution

The fourth proportional to 590,956.70, 829,438.90 and 590,956.70 is: 829,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,956.70 : 829,438.90 = 590,956.70 : x
  2. Step 2: Convert to fraction form
    590,956.70/829,438.90 = 590,956.70/x
  3. Step 3: Cross multiply
    590,956.70x = 829,438.90 × 590,956.70
  4. Step 4: Simplify right side
    590,956.70x = 490,162,475,195.63
  5. Step 5: Solve for x
    x = 490,162,475,195.63/590,956.70
  6. Step 6: Final answer
    x = 829,438.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.