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Finding the Fourth Proportional to 575,286.44, 793,900.85 and 317,173.65

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Solution

The fourth proportional to 575,286.44, 793,900.85 and 317,173.65 is: 437,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,286.44 : 793,900.85 = 317,173.65 : x
  2. Step 2: Convert to fraction form
    575,286.44/793,900.85 = 317,173.65/x
  3. Step 3: Cross multiply
    575,286.44x = 793,900.85 × 317,173.65
  4. Step 4: Simplify right side
    575,286.44x = 251,804,428,746.73
  5. Step 5: Solve for x
    x = 251,804,428,746.73/575,286.44
  6. Step 6: Final answer
    x = 437,702.70

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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.