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Finding the Fourth Proportional to 536,653.10, 804,979.65 and 347,696.30

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Solution

The fourth proportional to 536,653.10, 804,979.65 and 347,696.30 is: 521,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,653.10 : 804,979.65 = 347,696.30 : x
  2. Step 2: Convert to fraction form
    536,653.10/804,979.65 = 347,696.30/x
  3. Step 3: Cross multiply
    536,653.10x = 804,979.65 × 347,696.30
  4. Step 4: Simplify right side
    536,653.10x = 279,888,445,880.30
  5. Step 5: Solve for x
    x = 279,888,445,880.30/536,653.10
  6. Step 6: Final answer
    x = 521,544.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.