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Finding the Fourth Proportional to 545,174.94, 752,341.32 and 303,452.34

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Solution

The fourth proportional to 545,174.94, 752,341.32 and 303,452.34 is: 418,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,174.94 : 752,341.32 = 303,452.34 : x
  2. Step 2: Convert to fraction form
    545,174.94/752,341.32 = 303,452.34/x
  3. Step 3: Cross multiply
    545,174.94x = 752,341.32 × 303,452.34
  4. Step 4: Simplify right side
    545,174.94x = 228,299,734,032.69
  5. Step 5: Solve for x
    x = 228,299,734,032.69/545,174.94
  6. Step 6: Final answer
    x = 418,764.18

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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.