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Finding the Fourth Proportional to 545,162.34, 752,324.07 and 303,439.71

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Solution

The fourth proportional to 545,162.34, 752,324.07 and 303,439.71 is: 418,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,162.34 : 752,324.07 = 303,439.71 : x
  2. Step 2: Convert to fraction form
    545,162.34/752,324.07 = 303,439.71/x
  3. Step 3: Cross multiply
    545,162.34x = 752,324.07 × 303,439.71
  4. Step 4: Simplify right side
    545,162.34x = 228,284,997,626.82
  5. Step 5: Solve for x
    x = 228,284,997,626.82/545,162.34
  6. Step 6: Final answer
    x = 418,746.82

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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.