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Finding the Fourth Proportional to 603,352.86, 832,578.39 and 348,720.54

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Solution

The fourth proportional to 603,352.86, 832,578.39 and 348,720.54 is: 481,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,352.86 : 832,578.39 = 348,720.54 : x
  2. Step 2: Convert to fraction form
    603,352.86/832,578.39 = 348,720.54/x
  3. Step 3: Cross multiply
    603,352.86x = 832,578.39 × 348,720.54
  4. Step 4: Simplify right side
    603,352.86x = 290,337,185,753.13
  5. Step 5: Solve for x
    x = 290,337,185,753.13/603,352.86
  6. Step 6: Final answer
    x = 481,206.28

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1.5x scale

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.