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Finding the Fourth Proportional to 594,709.88, 820,700.40 and 322,777.74

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Solution

The fourth proportional to 594,709.88, 820,700.40 and 322,777.74 is: 445,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,709.88 : 820,700.40 = 322,777.74 : x
  2. Step 2: Convert to fraction form
    594,709.88/820,700.40 = 322,777.74/x
  3. Step 3: Cross multiply
    594,709.88x = 820,700.40 × 322,777.74
  4. Step 4: Simplify right side
    594,709.88x = 264,903,824,617.14
  5. Step 5: Solve for x
    x = 264,903,824,617.14/594,709.88
  6. Step 6: Final answer
    x = 445,433.70

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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.