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Finding the Fourth Proportional to 383,524.21, 575,369.39 and 146,866.92

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Solution

The fourth proportional to 383,524.21, 575,369.39 and 146,866.92 is: 220,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,524.21 : 575,369.39 = 146,866.92 : x
  2. Step 2: Convert to fraction form
    383,524.21/575,369.39 = 146,866.92/x
  3. Step 3: Cross multiply
    383,524.21x = 575,369.39 × 146,866.92
  4. Step 4: Simplify right side
    383,524.21x = 84,502,730,171.58
  5. Step 5: Solve for x
    x = 84,502,730,171.58/383,524.21
  6. Step 6: Final answer
    x = 220,332.19

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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.