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Finding the Fourth Proportional to 545,168.92, 752,341.62 and 303,454.12

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Solution

The fourth proportional to 545,168.92, 752,341.62 and 303,454.12 is: 418,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,168.92 : 752,341.62 = 303,454.12 : x
  2. Step 2: Convert to fraction form
    545,168.92/752,341.62 = 303,454.12/x
  3. Step 3: Cross multiply
    545,168.92x = 752,341.62 × 303,454.12
  4. Step 4: Simplify right side
    545,168.92x = 228,301,164,236.47
  5. Step 5: Solve for x
    x = 228,301,164,236.47/545,168.92
  6. Step 6: Final answer
    x = 418,771.42

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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.