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Finding the Fourth Proportional to 603,740.19, 833,143.85 and 345,608.58

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Solution

The fourth proportional to 603,740.19, 833,143.85 and 345,608.58 is: 476,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,740.19 : 833,143.85 = 345,608.58 : x
  2. Step 2: Convert to fraction form
    603,740.19/833,143.85 = 345,608.58/x
  3. Step 3: Cross multiply
    603,740.19x = 833,143.85 × 345,608.58
  4. Step 4: Simplify right side
    603,740.19x = 287,941,661,206.19
  5. Step 5: Solve for x
    x = 287,941,661,206.19/603,740.19
  6. Step 6: Final answer
    x = 476,929.76

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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.