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Finding the Fourth Proportional to 333,358.80, 459,920.76 and 190,015.44

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Solution

The fourth proportional to 333,358.80, 459,920.76 and 190,015.44 is: 262,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,358.80 : 459,920.76 = 190,015.44 : x
  2. Step 2: Convert to fraction form
    333,358.80/459,920.76 = 190,015.44/x
  3. Step 3: Cross multiply
    333,358.80x = 459,920.76 × 190,015.44
  4. Step 4: Simplify right side
    333,358.80x = 87,392,045,576.53
  5. Step 5: Solve for x
    x = 87,392,045,576.53/333,358.80
  6. Step 6: Final answer
    x = 262,156.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.