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Finding the Fourth Proportional to 326,025.60, 489,038.40 and 168,561.60

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Solution

The fourth proportional to 326,025.60, 489,038.40 and 168,561.60 is: 252,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,025.60 : 489,038.40 = 168,561.60 : x
  2. Step 2: Convert to fraction form
    326,025.60/489,038.40 = 168,561.60/x
  3. Step 3: Cross multiply
    326,025.60x = 489,038.40 × 168,561.60
  4. Step 4: Simplify right side
    326,025.60x = 82,433,095,165.44
  5. Step 5: Solve for x
    x = 82,433,095,165.44/326,025.60
  6. Step 6: Final answer
    x = 252,842.40

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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.