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Finding the Fourth Proportional to 545,476.86, 752,990.31 and 366,732.54

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Solution

The fourth proportional to 545,476.86, 752,990.31 and 366,732.54 is: 506,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,476.86 : 752,990.31 = 366,732.54 : x
  2. Step 2: Convert to fraction form
    545,476.86/752,990.31 = 366,732.54/x
  3. Step 3: Cross multiply
    545,476.86x = 752,990.31 × 366,732.54
  4. Step 4: Simplify right side
    545,476.86x = 276,146,048,981.69
  5. Step 5: Solve for x
    x = 276,146,048,981.69/545,476.86
  6. Step 6: Final answer
    x = 506,247.05

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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.