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Finding the Fourth Proportional to 536,592.74, 740,336.48 and 321,654.38

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Solution

The fourth proportional to 536,592.74, 740,336.48 and 321,654.38 is: 443,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,592.74 : 740,336.48 = 321,654.38 : x
  2. Step 2: Convert to fraction form
    536,592.74/740,336.48 = 321,654.38/x
  3. Step 3: Cross multiply
    536,592.74x = 740,336.48 × 321,654.38
  4. Step 4: Simplify right side
    536,592.74x = 238,132,471,465.78
  5. Step 5: Solve for x
    x = 238,132,471,465.78/536,592.74
  6. Step 6: Final answer
    x = 443,786.23

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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.