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Finding the Fourth Proportional to 305,366.40, 457,358.40 and 180,950.40

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Solution

The fourth proportional to 305,366.40, 457,358.40 and 180,950.40 is: 271,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,366.40 : 457,358.40 = 180,950.40 : x
  2. Step 2: Convert to fraction form
    305,366.40/457,358.40 = 180,950.40/x
  3. Step 3: Cross multiply
    305,366.40x = 457,358.40 × 180,950.40
  4. Step 4: Simplify right side
    305,366.40x = 82,759,185,423.36
  5. Step 5: Solve for x
    x = 82,759,185,423.36/305,366.40
  6. Step 6: Final answer
    x = 271,016.02

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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.