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Finding the Fourth Proportional to 534,562.76, 737,696.56 and 319,702.82

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Solution

The fourth proportional to 534,562.76, 737,696.56 and 319,702.82 is: 441,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,562.76 : 737,696.56 = 319,702.82 : x
  2. Step 2: Convert to fraction form
    534,562.76/737,696.56 = 319,702.82/x
  3. Step 3: Cross multiply
    534,562.76x = 737,696.56 × 319,702.82
  4. Step 4: Simplify right side
    534,562.76x = 235,843,667,647.07
  5. Step 5: Solve for x
    x = 235,843,667,647.07/534,562.76
  6. Step 6: Final answer
    x = 441,189.86

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1.5x scale

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.