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Finding the Fourth Proportional to 333,280.36, 459,915.46 and 190,086.54

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Solution

The fourth proportional to 333,280.36, 459,915.46 and 190,086.54 is: 262,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,280.36 : 459,915.46 = 190,086.54 : x
  2. Step 2: Convert to fraction form
    333,280.36/459,915.46 = 190,086.54/x
  3. Step 3: Cross multiply
    333,280.36x = 459,915.46 × 190,086.54
  4. Step 4: Simplify right side
    333,280.36x = 87,423,738,483.91
  5. Step 5: Solve for x
    x = 87,423,738,483.91/333,280.36
  6. Step 6: Final answer
    x = 262,312.90

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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.