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Finding the Fourth Proportional to 333,446.55, 500,018.55 and 143,817.31

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Solution

The fourth proportional to 333,446.55, 500,018.55 and 143,817.31 is: 215,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,446.55 : 500,018.55 = 143,817.31 : x
  2. Step 2: Convert to fraction form
    333,446.55/500,018.55 = 143,817.31/x
  3. Step 3: Cross multiply
    333,446.55x = 500,018.55 × 143,817.31
  4. Step 4: Simplify right side
    333,446.55x = 71,911,322,811.10
  5. Step 5: Solve for x
    x = 71,911,322,811.10/333,446.55
  6. Step 6: Final answer
    x = 215,660.72

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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.