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Finding the Fourth Proportional to 463,817.32, 641,356.32 and 368,157.94

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Solution

The fourth proportional to 463,817.32, 641,356.32 and 368,157.94 is: 509,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,817.32 : 641,356.32 = 368,157.94 : x
  2. Step 2: Convert to fraction form
    463,817.32/641,356.32 = 368,157.94/x
  3. Step 3: Cross multiply
    463,817.32x = 641,356.32 × 368,157.94
  4. Step 4: Simplify right side
    463,817.32x = 236,120,421,577.18
  5. Step 5: Solve for x
    x = 236,120,421,577.18/463,817.32
  6. Step 6: Final answer
    x = 509,080.65

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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.