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Finding the Fourth Proportional to 326,110.40, 489,165.60 and 224,633.60

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Solution

The fourth proportional to 326,110.40, 489,165.60 and 224,633.60 is: 336,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,110.40 : 489,165.60 = 224,633.60 : x
  2. Step 2: Convert to fraction form
    326,110.40/489,165.60 = 224,633.60/x
  3. Step 3: Cross multiply
    326,110.40x = 489,165.60 × 224,633.60
  4. Step 4: Simplify right side
    326,110.40x = 109,883,029,724.16
  5. Step 5: Solve for x
    x = 109,883,029,724.16/326,110.40
  6. Step 6: Final answer
    x = 336,950.40

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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.