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Finding the Fourth Proportional to 268,596.60, 402,894.90 and 163,620.60

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Solution

The fourth proportional to 268,596.60, 402,894.90 and 163,620.60 is: 245,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,596.60 : 402,894.90 = 163,620.60 : x
  2. Step 2: Convert to fraction form
    268,596.60/402,894.90 = 163,620.60/x
  3. Step 3: Cross multiply
    268,596.60x = 402,894.90 × 163,620.60
  4. Step 4: Simplify right side
    268,596.60x = 65,921,905,274.94
  5. Step 5: Solve for x
    x = 65,921,905,274.94/268,596.60
  6. Step 6: Final answer
    x = 245,430.90

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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.