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Finding the Fourth Proportional to 383,555.26, 575,337.78 and 146,912.14

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Solution

The fourth proportional to 383,555.26, 575,337.78 and 146,912.14 is: 220,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,555.26 : 575,337.78 = 146,912.14 : x
  2. Step 2: Convert to fraction form
    383,555.26/575,337.78 = 146,912.14/x
  3. Step 3: Cross multiply
    383,555.26x = 575,337.78 × 146,912.14
  4. Step 4: Simplify right side
    383,555.26x = 84,524,104,482.65
  5. Step 5: Solve for x
    x = 84,524,104,482.65/383,555.26
  6. Step 6: Final answer
    x = 220,370.08

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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.