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Finding the Fourth Proportional to 326,264.58, 489,395.88 and 89,607.47

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Solution

The fourth proportional to 326,264.58, 489,395.88 and 89,607.47 is: 134,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,264.58 : 489,395.88 = 89,607.47 : x
  2. Step 2: Convert to fraction form
    326,264.58/489,395.88 = 89,607.47/x
  3. Step 3: Cross multiply
    326,264.58x = 489,395.88 × 89,607.47
  4. Step 4: Simplify right side
    326,264.58x = 43,853,524,188.24
  5. Step 5: Solve for x
    x = 43,853,524,188.24/326,264.58
  6. Step 6: Final answer
    x = 134,410.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.