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Finding the Fourth Proportional to 414,503.63, 621,755.60 and 148,248.23

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Solution

The fourth proportional to 414,503.63, 621,755.60 and 148,248.23 is: 222,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,503.63 : 621,755.60 = 148,248.23 : x
  2. Step 2: Convert to fraction form
    414,503.63/621,755.60 = 148,248.23/x
  3. Step 3: Cross multiply
    414,503.63x = 621,755.60 × 148,248.23
  4. Step 4: Simplify right side
    414,503.63x = 92,174,163,342.57
  5. Step 5: Solve for x
    x = 92,174,163,342.57/414,503.63
  6. Step 6: Final answer
    x = 222,372.39

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1.5x scale

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.