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Finding the Fourth Proportional to 603,437.17, 832,650.72 and 348,739.17

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Solution

The fourth proportional to 603,437.17, 832,650.72 and 348,739.17 is: 481,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,437.17 : 832,650.72 = 348,739.17 : x
  2. Step 2: Convert to fraction form
    603,437.17/832,650.72 = 348,739.17/x
  3. Step 3: Cross multiply
    603,437.17x = 832,650.72 × 348,739.17
  4. Step 4: Simplify right side
    603,437.17x = 290,377,920,992.70
  5. Step 5: Solve for x
    x = 290,377,920,992.70/603,437.17
  6. Step 6: Final answer
    x = 481,206.55

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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.