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Finding the Fourth Proportional to 525,682.85, 788,512.89 and 146,593.46

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Solution

The fourth proportional to 525,682.85, 788,512.89 and 146,593.46 is: 219,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,682.85 : 788,512.89 = 146,593.46 : x
  2. Step 2: Convert to fraction form
    525,682.85/788,512.89 = 146,593.46/x
  3. Step 3: Cross multiply
    525,682.85x = 788,512.89 × 146,593.46
  4. Step 4: Simplify right side
    525,682.85x = 115,590,835,320.71
  5. Step 5: Solve for x
    x = 115,590,835,320.71/525,682.85
  6. Step 6: Final answer
    x = 219,887.02

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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.