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Finding the Fourth Proportional to 365,800.12, 548,643.58 and 141,127.79

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Solution

The fourth proportional to 365,800.12, 548,643.58 and 141,127.79 is: 211,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,800.12 : 548,643.58 = 141,127.79 : x
  2. Step 2: Convert to fraction form
    365,800.12/548,643.58 = 141,127.79/x
  3. Step 3: Cross multiply
    365,800.12x = 548,643.58 × 141,127.79
  4. Step 4: Simplify right side
    365,800.12x = 77,428,852,847.05
  5. Step 5: Solve for x
    x = 77,428,852,847.05/365,800.12
  6. Step 6: Final answer
    x = 211,669.84

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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.