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Finding the Fourth Proportional to 598,339.59, 825,708.63 and 326,408.58

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Solution

The fourth proportional to 598,339.59, 825,708.63 and 326,408.58 is: 450,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,339.59 : 825,708.63 = 326,408.58 : x
  2. Step 2: Convert to fraction form
    598,339.59/825,708.63 = 326,408.58/x
  3. Step 3: Cross multiply
    598,339.59x = 825,708.63 × 326,408.58
  4. Step 4: Simplify right side
    598,339.59x = 269,518,379,347.77
  5. Step 5: Solve for x
    x = 269,518,379,347.77/598,339.59
  6. Step 6: Final answer
    x = 450,443.84

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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.