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Finding the Fourth Proportional to 594,611.76, 820,564.76 and 322,679.66

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Solution

The fourth proportional to 594,611.76, 820,564.76 and 322,679.66 is: 445,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,611.76 : 820,564.76 = 322,679.66 : x
  2. Step 2: Convert to fraction form
    594,611.76/820,564.76 = 322,679.66/x
  3. Step 3: Cross multiply
    594,611.76x = 820,564.76 × 322,679.66
  4. Step 4: Simplify right side
    594,611.76x = 264,779,552,048.56
  5. Step 5: Solve for x
    x = 264,779,552,048.56/594,611.76
  6. Step 6: Final answer
    x = 445,298.21

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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.