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Finding the Fourth Proportional to 383,813.46, 575,435.82 and 183,943.50

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Solution

The fourth proportional to 383,813.46, 575,435.82 and 183,943.50 is: 275,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,813.46 : 575,435.82 = 183,943.50 : x
  2. Step 2: Convert to fraction form
    383,813.46/575,435.82 = 183,943.50/x
  3. Step 3: Cross multiply
    383,813.46x = 575,435.82 × 183,943.50
  4. Step 4: Simplify right side
    383,813.46x = 105,847,678,756.17
  5. Step 5: Solve for x
    x = 105,847,678,756.17/383,813.46
  6. Step 6: Final answer
    x = 275,778.97

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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.