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Finding the Fourth Proportional to 583,372.60, 873,309.30 and 346,593.40

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Solution

The fourth proportional to 583,372.60, 873,309.30 and 346,593.40 is: 518,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,372.60 : 873,309.30 = 346,593.40 : x
  2. Step 2: Convert to fraction form
    583,372.60/873,309.30 = 346,593.40/x
  3. Step 3: Cross multiply
    583,372.60x = 873,309.30 × 346,593.40
  4. Step 4: Simplify right side
    583,372.60x = 302,683,239,538.62
  5. Step 5: Solve for x
    x = 302,683,239,538.62/583,372.60
  6. Step 6: Final answer
    x = 518,850.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.