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Finding the Fourth Proportional to 370,854.31, 555,561.68 and 273,303.75

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Solution

The fourth proportional to 370,854.31, 555,561.68 and 273,303.75 is: 409,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,854.31 : 555,561.68 = 273,303.75 : x
  2. Step 2: Convert to fraction form
    370,854.31/555,561.68 = 273,303.75/x
  3. Step 3: Cross multiply
    370,854.31x = 555,561.68 × 273,303.75
  4. Step 4: Simplify right side
    370,854.31x = 151,837,091,183.56
  5. Step 5: Solve for x
    x = 151,837,091,183.56/370,854.31
  6. Step 6: Final answer
    x = 409,425.18

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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.