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Finding the Fourth Proportional to 545,174.24, 752,323.70 and 303,450.60

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Solution

The fourth proportional to 545,174.24, 752,323.70 and 303,450.60 is: 418,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,174.24 : 752,323.70 = 303,450.60 : x
  2. Step 2: Convert to fraction form
    545,174.24/752,323.70 = 303,450.60/x
  3. Step 3: Cross multiply
    545,174.24x = 752,323.70 × 303,450.60
  4. Step 4: Simplify right side
    545,174.24x = 228,293,076,641.97
  5. Step 5: Solve for x
    x = 228,293,076,641.97/545,174.24
  6. Step 6: Final answer
    x = 418,752.51

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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.