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Finding the Fourth Proportional to 525,234.40, 788,773.20 and 508,645.60

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Solution

The fourth proportional to 525,234.40, 788,773.20 and 508,645.60 is: 763,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,234.40 : 788,773.20 = 508,645.60 : x
  2. Step 2: Convert to fraction form
    525,234.40/788,773.20 = 508,645.60/x
  3. Step 3: Cross multiply
    525,234.40x = 788,773.20 × 508,645.60
  4. Step 4: Simplify right side
    525,234.40x = 401,206,017,577.92
  5. Step 5: Solve for x
    x = 401,206,017,577.92/525,234.40
  6. Step 6: Final answer
    x = 763,860.89

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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.