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Finding the Fourth Proportional to 539,394.58, 744,382.40 and 294,392.73

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Solution

The fourth proportional to 539,394.58, 744,382.40 and 294,392.73 is: 406,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,394.58 : 744,382.40 = 294,392.73 : x
  2. Step 2: Convert to fraction form
    539,394.58/744,382.40 = 294,392.73/x
  3. Step 3: Cross multiply
    539,394.58x = 744,382.40 × 294,392.73
  4. Step 4: Simplify right side
    539,394.58x = 219,140,766,899.95
  5. Step 5: Solve for x
    x = 219,140,766,899.95/539,394.58
  6. Step 6: Final answer
    x = 406,271.73

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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.