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Finding the Fourth Proportional to 652,112.80, 976,200.90 and 652,112.80

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Solution

The fourth proportional to 652,112.80, 976,200.90 and 652,112.80 is: 976,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,112.80 : 976,200.90 = 652,112.80 : x
  2. Step 2: Convert to fraction form
    652,112.80/976,200.90 = 652,112.80/x
  3. Step 3: Cross multiply
    652,112.80x = 976,200.90 × 652,112.80
  4. Step 4: Simplify right side
    652,112.80x = 636,593,102,261.52
  5. Step 5: Solve for x
    x = 636,593,102,261.52/652,112.80
  6. Step 6: Final answer
    x = 976,200.90

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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.