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Finding the Fourth Proportional to 268,544.60, 402,816.90 and 163,568.60

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Solution

The fourth proportional to 268,544.60, 402,816.90 and 163,568.60 is: 245,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,544.60 : 402,816.90 = 163,568.60 : x
  2. Step 2: Convert to fraction form
    268,544.60/402,816.90 = 163,568.60/x
  3. Step 3: Cross multiply
    268,544.60x = 402,816.90 × 163,568.60
  4. Step 4: Simplify right side
    268,544.60x = 65,888,196,389.34
  5. Step 5: Solve for x
    x = 65,888,196,389.34/268,544.60
  6. Step 6: Final answer
    x = 245,352.90

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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.