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Finding the Fourth Proportional to 652,611.33, 979,877.94 and 364,986.50

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Solution

The fourth proportional to 652,611.33, 979,877.94 and 364,986.50 is: 548,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,611.33 : 979,877.94 = 364,986.50 : x
  2. Step 2: Convert to fraction form
    652,611.33/979,877.94 = 364,986.50/x
  3. Step 3: Cross multiply
    652,611.33x = 979,877.94 × 364,986.50
  4. Step 4: Simplify right side
    652,611.33x = 357,642,214,848.42
  5. Step 5: Solve for x
    x = 357,642,214,848.42/652,611.33
  6. Step 6: Final answer
    x = 548,017.17

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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.