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Finding the Fourth Proportional to 536,597.15, 740,342.48 and 321,658.79

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Solution

The fourth proportional to 536,597.15, 740,342.48 and 321,658.79 is: 443,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,597.15 : 740,342.48 = 321,658.79 : x
  2. Step 2: Convert to fraction form
    536,597.15/740,342.48 = 321,658.79/x
  3. Step 3: Cross multiply
    536,597.15x = 740,342.48 × 321,658.79
  4. Step 4: Simplify right side
    536,597.15x = 238,137,660,992.39
  5. Step 5: Solve for x
    x = 238,137,660,992.39/536,597.15
  6. Step 6: Final answer
    x = 443,792.26

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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.