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Finding the Fourth Proportional to 603,804.06, 833,328.41 and 389,567.34

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Solution

The fourth proportional to 603,804.06, 833,328.41 and 389,567.34 is: 537,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,804.06 : 833,328.41 = 389,567.34 : x
  2. Step 2: Convert to fraction form
    603,804.06/833,328.41 = 389,567.34/x
  3. Step 3: Cross multiply
    603,804.06x = 833,328.41 × 389,567.34
  4. Step 4: Simplify right side
    603,804.06x = 324,637,530,082.29
  5. Step 5: Solve for x
    x = 324,637,530,082.29/603,804.06
  6. Step 6: Final answer
    x = 537,653.77

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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.