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Finding the Fourth Proportional to 273,614.66, 407,669.99 and 258,335.73

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Solution

The fourth proportional to 273,614.66, 407,669.99 and 258,335.73 is: 384,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,614.66 : 407,669.99 = 258,335.73 : x
  2. Step 2: Convert to fraction form
    273,614.66/407,669.99 = 258,335.73/x
  3. Step 3: Cross multiply
    273,614.66x = 407,669.99 × 258,335.73
  4. Step 4: Simplify right side
    273,614.66x = 105,315,723,900.63
  5. Step 5: Solve for x
    x = 105,315,723,900.63/273,614.66
  6. Step 6: Final answer
    x = 384,905.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.