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Finding the Fourth Proportional to 399,594.63, 599,391.95 and 162,955.77

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Solution

The fourth proportional to 399,594.63, 599,391.95 and 162,955.77 is: 244,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,594.63 : 599,391.95 = 162,955.77 : x
  2. Step 2: Convert to fraction form
    399,594.63/599,391.95 = 162,955.77/x
  3. Step 3: Cross multiply
    399,594.63x = 599,391.95 × 162,955.77
  4. Step 4: Simplify right side
    399,594.63x = 97,674,375,929.27
  5. Step 5: Solve for x
    x = 97,674,375,929.27/399,594.63
  6. Step 6: Final answer
    x = 244,433.66

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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.