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Finding the Fourth Proportional to 440,482.37, 660,723.19 and 124,942.01

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Solution

The fourth proportional to 440,482.37, 660,723.19 and 124,942.01 is: 187,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,482.37 : 660,723.19 = 124,942.01 : x
  2. Step 2: Convert to fraction form
    440,482.37/660,723.19 = 124,942.01/x
  3. Step 3: Cross multiply
    440,482.37x = 660,723.19 × 124,942.01
  4. Step 4: Simplify right side
    440,482.37x = 82,552,083,412.21
  5. Step 5: Solve for x
    x = 82,552,083,412.21/440,482.37
  6. Step 6: Final answer
    x = 187,412.91

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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.