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Finding the Fourth Proportional to 273,448.67, 409,582.51 and 266,756.45

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Solution

The fourth proportional to 273,448.67, 409,582.51 and 266,756.45 is: 399,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,448.67 : 409,582.51 = 266,756.45 : x
  2. Step 2: Convert to fraction form
    273,448.67/409,582.51 = 266,756.45/x
  3. Step 3: Cross multiply
    273,448.67x = 409,582.51 × 266,756.45
  4. Step 4: Simplify right side
    273,448.67x = 109,258,773,634.89
  5. Step 5: Solve for x
    x = 109,258,773,634.89/273,448.67
  6. Step 6: Final answer
    x = 399,558.63

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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.