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Finding the Fourth Proportional to 295,313.42, 442,773.30 and 143,470.01

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Solution

The fourth proportional to 295,313.42, 442,773.30 and 143,470.01 is: 215,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,313.42 : 442,773.30 = 143,470.01 : x
  2. Step 2: Convert to fraction form
    295,313.42/442,773.30 = 143,470.01/x
  3. Step 3: Cross multiply
    295,313.42x = 442,773.30 × 143,470.01
  4. Step 4: Simplify right side
    295,313.42x = 63,524,690,885.67
  5. Step 5: Solve for x
    x = 63,524,690,885.67/295,313.42
  6. Step 6: Final answer
    x = 215,109.39

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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.