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Finding the Fourth Proportional to 534,308.88, 737,347.68 and 289,296.24

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Solution

The fourth proportional to 534,308.88, 737,347.68 and 289,296.24 is: 399,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,308.88 : 737,347.68 = 289,296.24 : x
  2. Step 2: Convert to fraction form
    534,308.88/737,347.68 = 289,296.24/x
  3. Step 3: Cross multiply
    534,308.88x = 737,347.68 × 289,296.24
  4. Step 4: Simplify right side
    534,308.88x = 213,311,911,396.72
  5. Step 5: Solve for x
    x = 213,311,911,396.72/534,308.88
  6. Step 6: Final answer
    x = 399,229.58

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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.