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Finding the Fourth Proportional to 703,667.52, 971,477.28 and 462,372.48

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Solution

The fourth proportional to 703,667.52, 971,477.28 and 462,372.48 is: 638,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,667.52 : 971,477.28 = 462,372.48 : x
  2. Step 2: Convert to fraction form
    703,667.52/971,477.28 = 462,372.48/x
  3. Step 3: Cross multiply
    703,667.52x = 971,477.28 × 462,372.48
  4. Step 4: Simplify right side
    703,667.52x = 449,184,359,217.25
  5. Step 5: Solve for x
    x = 449,184,359,217.25/703,667.52
  6. Step 6: Final answer
    x = 638,347.44

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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.