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Finding the Fourth Proportional to 534,322.98, 737,360.47 and 289,306.54

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Solution

The fourth proportional to 534,322.98, 737,360.47 and 289,306.54 is: 399,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,322.98 : 737,360.47 = 289,306.54 : x
  2. Step 2: Convert to fraction form
    534,322.98/737,360.47 = 289,306.54/x
  3. Step 3: Cross multiply
    534,322.98x = 737,360.47 × 289,306.54
  4. Step 4: Simplify right side
    534,322.98x = 213,323,206,308.47
  5. Step 5: Solve for x
    x = 213,323,206,308.47/534,322.98
  6. Step 6: Final answer
    x = 399,240.19

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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.