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Finding the Fourth Proportional to 307,453.98, 458,124.44 and 273,916.34

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Solution

The fourth proportional to 307,453.98, 458,124.44 and 273,916.34 is: 408,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,453.98 : 458,124.44 = 273,916.34 : x
  2. Step 2: Convert to fraction form
    307,453.98/458,124.44 = 273,916.34/x
  3. Step 3: Cross multiply
    307,453.98x = 458,124.44 × 273,916.34
  4. Step 4: Simplify right side
    307,453.98x = 125,487,769,869.35
  5. Step 5: Solve for x
    x = 125,487,769,869.35/307,453.98
  6. Step 6: Final answer
    x = 408,151.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.