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Finding the Fourth Proportional to 370,427.63, 555,678.63 and 100,560.33

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Solution

The fourth proportional to 370,427.63, 555,678.63 and 100,560.33 is: 150,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,427.63 : 555,678.63 = 100,560.33 : x
  2. Step 2: Convert to fraction form
    370,427.63/555,678.63 = 100,560.33/x
  3. Step 3: Cross multiply
    370,427.63x = 555,678.63 × 100,560.33
  4. Step 4: Simplify right side
    370,427.63x = 55,879,226,406.75
  5. Step 5: Solve for x
    x = 55,879,226,406.75/370,427.63
  6. Step 6: Final answer
    x = 150,850.59

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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.