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Finding the Fourth Proportional to 603,737.18, 833,139.70 and 345,605.57

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Solution

The fourth proportional to 603,737.18, 833,139.70 and 345,605.57 is: 476,925.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,737.18 : 833,139.70 = 345,605.57 : x
  2. Step 2: Convert to fraction form
    603,737.18/833,139.70 = 345,605.57/x
  3. Step 3: Cross multiply
    603,737.18x = 833,139.70 × 345,605.57
  4. Step 4: Simplify right side
    603,737.18x = 287,937,723,489.51
  5. Step 5: Solve for x
    x = 287,937,723,489.51/603,737.18
  6. Step 6: Final answer
    x = 476,925.61

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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.