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Finding the Fourth Proportional to 594,165.78, 891,336.96 and 215,114.94

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Solution

The fourth proportional to 594,165.78, 891,336.96 and 215,114.94 is: 322,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,165.78 : 891,336.96 = 215,114.94 : x
  2. Step 2: Convert to fraction form
    594,165.78/891,336.96 = 215,114.94/x
  3. Step 3: Cross multiply
    594,165.78x = 891,336.96 × 215,114.94
  4. Step 4: Simplify right side
    594,165.78x = 191,739,896,670.18
  5. Step 5: Solve for x
    x = 191,739,896,670.18/594,165.78
  6. Step 6: Final answer
    x = 322,704.37

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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.