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Finding the Fourth Proportional to 534,753.68, 737,889.96 and 319,815.44

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Solution

The fourth proportional to 534,753.68, 737,889.96 and 319,815.44 is: 441,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,753.68 : 737,889.96 = 319,815.44 : x
  2. Step 2: Convert to fraction form
    534,753.68/737,889.96 = 319,815.44/x
  3. Step 3: Cross multiply
    534,753.68x = 737,889.96 × 319,815.44
  4. Step 4: Simplify right side
    534,753.68x = 235,988,602,228.98
  5. Step 5: Solve for x
    x = 235,988,602,228.98/534,753.68
  6. Step 6: Final answer
    x = 441,303.37

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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.