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Finding the Fourth Proportional to 539,393.58, 744,381.02 and 294,391.73

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Solution

The fourth proportional to 539,393.58, 744,381.02 and 294,391.73 is: 406,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,393.58 : 744,381.02 = 294,391.73 : x
  2. Step 2: Convert to fraction form
    539,393.58/744,381.02 = 294,391.73/x
  3. Step 3: Cross multiply
    539,393.58x = 744,381.02 × 294,391.73
  4. Step 4: Simplify right side
    539,393.58x = 219,139,618,853.90
  5. Step 5: Solve for x
    x = 219,139,618,853.90/539,393.58
  6. Step 6: Final answer
    x = 406,270.35

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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.