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Finding the Fourth Proportional to 463,549.77, 695,433.09 and 143,684.89

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Solution

The fourth proportional to 463,549.77, 695,433.09 and 143,684.89 is: 215,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,549.77 : 695,433.09 = 143,684.89 : x
  2. Step 2: Convert to fraction form
    463,549.77/695,433.09 = 143,684.89/x
  3. Step 3: Cross multiply
    463,549.77x = 695,433.09 × 143,684.89
  4. Step 4: Simplify right side
    463,549.77x = 99,923,227,039.01
  5. Step 5: Solve for x
    x = 99,923,227,039.01/463,549.77
  6. Step 6: Final answer
    x = 215,560.95

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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.