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Finding the Fourth Proportional to 323,321.60, 484,867.20 and 112,966.40

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Solution

The fourth proportional to 323,321.60, 484,867.20 and 112,966.40 is: 169,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,321.60 : 484,867.20 = 112,966.40 : x
  2. Step 2: Convert to fraction form
    323,321.60/484,867.20 = 112,966.40/x
  3. Step 3: Cross multiply
    323,321.60x = 484,867.20 × 112,966.40
  4. Step 4: Simplify right side
    323,321.60x = 54,773,702,062.08
  5. Step 5: Solve for x
    x = 54,773,702,062.08/323,321.60
  6. Step 6: Final answer
    x = 169,409.35

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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.