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Finding the Fourth Proportional to 487,742.62, 673,314.94 and 366,930.02

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Solution

The fourth proportional to 487,742.62, 673,314.94 and 366,930.02 is: 506,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,742.62 : 673,314.94 = 366,930.02 : x
  2. Step 2: Convert to fraction form
    487,742.62/673,314.94 = 366,930.02/x
  3. Step 3: Cross multiply
    487,742.62x = 673,314.94 × 366,930.02
  4. Step 4: Simplify right side
    487,742.62x = 247,059,464,400.50
  5. Step 5: Solve for x
    x = 247,059,464,400.50/487,742.62
  6. Step 6: Final answer
    x = 506,536.55

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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.