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Finding the Fourth Proportional to 333,007.20, 499,575.60 and 143,467.20

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Solution

The fourth proportional to 333,007.20, 499,575.60 and 143,467.20 is: 215,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,007.20 : 499,575.60 = 143,467.20 : x
  2. Step 2: Convert to fraction form
    333,007.20/499,575.60 = 143,467.20/x
  3. Step 3: Cross multiply
    333,007.20x = 499,575.60 × 143,467.20
  4. Step 4: Simplify right side
    333,007.20x = 71,672,712,520.32
  5. Step 5: Solve for x
    x = 71,672,712,520.32/333,007.20
  6. Step 6: Final answer
    x = 215,228.72

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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.