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Finding the Fourth Proportional to 326,083.40, 489,125.10 and 224,606.60

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Solution

The fourth proportional to 326,083.40, 489,125.10 and 224,606.60 is: 336,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,083.40 : 489,125.10 = 224,606.60 : x
  2. Step 2: Convert to fraction form
    326,083.40/489,125.10 = 224,606.60/x
  3. Step 3: Cross multiply
    326,083.40x = 489,125.10 × 224,606.60
  4. Step 4: Simplify right side
    326,083.40x = 109,860,725,685.66
  5. Step 5: Solve for x
    x = 109,860,725,685.66/326,083.40
  6. Step 6: Final answer
    x = 336,909.90

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1.5x scale

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.