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Finding the Fourth Proportional to 303,281.80, 454,922.70 and 92,892.40

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Solution

The fourth proportional to 303,281.80, 454,922.70 and 92,892.40 is: 139,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281.80 : 454,922.70 = 92,892.40 : x
  2. Step 2: Convert to fraction form
    303,281.80/454,922.70 = 92,892.40/x
  3. Step 3: Cross multiply
    303,281.80x = 454,922.70 × 92,892.40
  4. Step 4: Simplify right side
    303,281.80x = 42,258,861,417.48
  5. Step 5: Solve for x
    x = 42,258,861,417.48/303,281.80
  6. Step 6: Final answer
    x = 139,338.60

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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.