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Finding the Fourth Proportional to 426,994.71, 589,019.49 and 273,862.53

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Solution

The fourth proportional to 426,994.71, 589,019.49 and 273,862.53 is: 377,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,994.71 : 589,019.49 = 273,862.53 : x
  2. Step 2: Convert to fraction form
    426,994.71/589,019.49 = 273,862.53/x
  3. Step 3: Cross multiply
    426,994.71x = 589,019.49 × 273,862.53
  4. Step 4: Simplify right side
    426,994.71x = 161,310,367,750.71
  5. Step 5: Solve for x
    x = 161,310,367,750.71/426,994.71
  6. Step 6: Final answer
    x = 377,780.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.