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Finding the Fourth Proportional to 603,174.18, 832,394.32 and 345,075.36

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Solution

The fourth proportional to 603,174.18, 832,394.32 and 345,075.36 is: 476,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,174.18 : 832,394.32 = 345,075.36 : x
  2. Step 2: Convert to fraction form
    603,174.18/832,394.32 = 345,075.36/x
  3. Step 3: Cross multiply
    603,174.18x = 832,394.32 × 345,075.36
  4. Step 4: Simplify right side
    603,174.18x = 287,238,769,635.96
  5. Step 5: Solve for x
    x = 287,238,769,635.96/603,174.18
  6. Step 6: Final answer
    x = 476,211.98

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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.