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Finding the Fourth Proportional to 357,238.25, 535,857.37 and 120,747.00

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Solution

The fourth proportional to 357,238.25, 535,857.37 and 120,747.00 is: 181,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,238.25 : 535,857.37 = 120,747.00 : x
  2. Step 2: Convert to fraction form
    357,238.25/535,857.37 = 120,747.00/x
  3. Step 3: Cross multiply
    357,238.25x = 535,857.37 × 120,747.00
  4. Step 4: Simplify right side
    357,238.25x = 64,703,172,242.19
  5. Step 5: Solve for x
    x = 64,703,172,242.19/357,238.25
  6. Step 6: Final answer
    x = 181,120.51

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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.