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Finding the Fourth Proportional to 304,273.35, 419,860.78 and 168,288.93

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Solution

The fourth proportional to 304,273.35, 419,860.78 and 168,288.93 is: 232,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,273.35 : 419,860.78 = 168,288.93 : x
  2. Step 2: Convert to fraction form
    304,273.35/419,860.78 = 168,288.93/x
  3. Step 3: Cross multiply
    304,273.35x = 419,860.78 × 168,288.93
  4. Step 4: Simplify right side
    304,273.35x = 70,657,921,415.17
  5. Step 5: Solve for x
    x = 70,657,921,415.17/304,273.35
  6. Step 6: Final answer
    x = 232,218.57

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1.5x scale

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.