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Finding the Fourth Proportional to 446,716.70, 616,483.89 and 262,921.95

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Solution

The fourth proportional to 446,716.70, 616,483.89 and 262,921.95 is: 362,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,716.70 : 616,483.89 = 262,921.95 : x
  2. Step 2: Convert to fraction form
    446,716.70/616,483.89 = 262,921.95/x
  3. Step 3: Cross multiply
    446,716.70x = 616,483.89 × 262,921.95
  4. Step 4: Simplify right side
    446,716.70x = 162,087,146,502.39
  5. Step 5: Solve for x
    x = 162,087,146,502.39/446,716.70
  6. Step 6: Final answer
    x = 362,841.03

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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.