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Finding the Fourth Proportional to 603,563.40, 833,172.84 and 407,372.52

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Solution

The fourth proportional to 603,563.40, 833,172.84 and 407,372.52 is: 562,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,563.40 : 833,172.84 = 407,372.52 : x
  2. Step 2: Convert to fraction form
    603,563.40/833,172.84 = 407,372.52/x
  3. Step 3: Cross multiply
    603,563.40x = 833,172.84 × 407,372.52
  4. Step 4: Simplify right side
    603,563.40x = 339,411,719,426.36
  5. Step 5: Solve for x
    x = 339,411,719,426.36/603,563.40
  6. Step 6: Final answer
    x = 562,346.42

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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.