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Finding the Fourth Proportional to 333,541.90, 499,893.83 and 143,780.16

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Solution

The fourth proportional to 333,541.90, 499,893.83 and 143,780.16 is: 215,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,541.90 : 499,893.83 = 143,780.16 : x
  2. Step 2: Convert to fraction form
    333,541.90/499,893.83 = 143,780.16/x
  3. Step 3: Cross multiply
    333,541.90x = 499,893.83 × 143,780.16
  4. Step 4: Simplify right side
    333,541.90x = 71,874,816,555.29
  5. Step 5: Solve for x
    x = 71,874,816,555.29/333,541.90
  6. Step 6: Final answer
    x = 215,489.62

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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.