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Finding the Fourth Proportional to 487,704.68, 673,262.58 and 366,892.07

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Solution

The fourth proportional to 487,704.68, 673,262.58 and 366,892.07 is: 506,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,704.68 : 673,262.58 = 366,892.07 : x
  2. Step 2: Convert to fraction form
    487,704.68/673,262.58 = 366,892.07/x
  3. Step 3: Cross multiply
    487,704.68x = 673,262.58 × 366,892.07
  4. Step 4: Simplify right side
    487,704.68x = 247,014,699,639.27
  5. Step 5: Solve for x
    x = 247,014,699,639.27/487,704.68
  6. Step 6: Final answer
    x = 506,484.17

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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.