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Finding the Fourth Proportional to 846,507.36, 1,167,997.68 and 488,604

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Solution

The fourth proportional to 846,507.36, 1,167,997.68 and 488,604 is: 674,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,507.36 : 1,167,997.68 = 488,604 : x
  2. Step 2: Convert to fraction form
    846,507.36/1,167,997.68 = 488,604/x
  3. Step 3: Cross multiply
    846,507.36x = 1,167,997.68 × 488,604
  4. Step 4: Simplify right side
    846,507.36x = 570,688,338,438.72
  5. Step 5: Solve for x
    x = 570,688,338,438.72/846,507.36
  6. Step 6: Final answer
    x = 674,168.19

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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.