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Finding the Fourth Proportional to 363,235, 544,852.50 and 100,579

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Solution

The fourth proportional to 363,235, 544,852.50 and 100,579 is: 150,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,235 : 544,852.50 = 100,579 : x
  2. Step 2: Convert to fraction form
    363,235/544,852.50 = 100,579/x
  3. Step 3: Cross multiply
    363,235x = 544,852.50 × 100,579
  4. Step 4: Simplify right side
    363,235x = 54,800,719,597.50
  5. Step 5: Solve for x
    x = 54,800,719,597.50/363,235
  6. Step 6: Final answer
    x = 150,868.50

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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.