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Finding the Fourth Proportional to 603,210.48, 832,366.68 and 348,642.48

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Solution

The fourth proportional to 603,210.48, 832,366.68 and 348,642.48 is: 481,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,210.48 : 832,366.68 = 348,642.48 : x
  2. Step 2: Convert to fraction form
    603,210.48/832,366.68 = 348,642.48/x
  3. Step 3: Cross multiply
    603,210.48x = 832,366.68 × 348,642.48
  4. Step 4: Simplify right side
    603,210.48x = 290,198,383,584.57
  5. Step 5: Solve for x
    x = 290,198,383,584.57/603,210.48
  6. Step 6: Final answer
    x = 481,089.76

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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.