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Finding the Fourth Proportional to 574,356.30, 792,598.23 and 319,702.02

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Solution

The fourth proportional to 574,356.30, 792,598.23 and 319,702.02 is: 441,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,356.30 : 792,598.23 = 319,702.02 : x
  2. Step 2: Convert to fraction form
    574,356.30/792,598.23 = 319,702.02/x
  3. Step 3: Cross multiply
    574,356.30x = 792,598.23 × 319,702.02
  4. Step 4: Simplify right side
    574,356.30x = 253,395,255,179.43
  5. Step 5: Solve for x
    x = 253,395,255,179.43/574,356.30
  6. Step 6: Final answer
    x = 441,181.29

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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.