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Finding the Fourth Proportional to 525,624.84, 788,553.90 and 244,989

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Solution

The fourth proportional to 525,624.84, 788,553.90 and 244,989 is: 367,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,624.84 : 788,553.90 = 244,989 : x
  2. Step 2: Convert to fraction form
    525,624.84/788,553.90 = 244,989/x
  3. Step 3: Cross multiply
    525,624.84x = 788,553.90 × 244,989
  4. Step 4: Simplify right side
    525,624.84x = 193,187,031,407.10
  5. Step 5: Solve for x
    x = 193,187,031,407.10/525,624.84
  6. Step 6: Final answer
    x = 367,537.86

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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.