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Finding the Fourth Proportional to 449,999.55, 621,008.37 and 246,063.24

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Solution

The fourth proportional to 449,999.55, 621,008.37 and 246,063.24 is: 339,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,999.55 : 621,008.37 = 246,063.24 : x
  2. Step 2: Convert to fraction form
    449,999.55/621,008.37 = 246,063.24/x
  3. Step 3: Cross multiply
    449,999.55x = 621,008.37 × 246,063.24
  4. Step 4: Simplify right side
    449,999.55x = 152,807,331,589.32
  5. Step 5: Solve for x
    x = 152,807,331,589.32/449,999.55
  6. Step 6: Final answer
    x = 339,572.19

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1.5x scale

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.