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Finding the Fourth Proportional to 463,548.66, 695,430.84 and 143,683.56

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Solution

The fourth proportional to 463,548.66, 695,430.84 and 143,683.56 is: 215,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,548.66 : 695,430.84 = 143,683.56 : x
  2. Step 2: Convert to fraction form
    463,548.66/695,430.84 = 143,683.56/x
  3. Step 3: Cross multiply
    463,548.66x = 695,430.84 × 143,683.56
  4. Step 4: Simplify right side
    463,548.66x = 99,921,978,824.99
  5. Step 5: Solve for x
    x = 99,921,978,824.99/463,548.66
  6. Step 6: Final answer
    x = 215,558.77

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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.