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Finding the Fourth Proportional to 333,038.72, 499,503.36 and 143,448.41

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Solution

The fourth proportional to 333,038.72, 499,503.36 and 143,448.41 is: 215,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,038.72 : 499,503.36 = 143,448.41 : x
  2. Step 2: Convert to fraction form
    333,038.72/499,503.36 = 143,448.41/x
  3. Step 3: Cross multiply
    333,038.72x = 499,503.36 × 143,448.41
  4. Step 4: Simplify right side
    333,038.72x = 71,652,960,284.14
  5. Step 5: Solve for x
    x = 71,652,960,284.14/333,038.72
  6. Step 6: Final answer
    x = 215,149.04

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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.