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Finding the Fourth Proportional to 525,817.32, 788,859.03 and 146,738.01

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Solution

The fourth proportional to 525,817.32, 788,859.03 and 146,738.01 is: 220,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,817.32 : 788,859.03 = 146,738.01 : x
  2. Step 2: Convert to fraction form
    525,817.32/788,859.03 = 146,738.01/x
  3. Step 3: Cross multiply
    525,817.32x = 788,859.03 × 146,738.01
  4. Step 4: Simplify right side
    525,817.32x = 115,755,604,232.73
  5. Step 5: Solve for x
    x = 115,755,604,232.73/525,817.32
  6. Step 6: Final answer
    x = 220,144.14

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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.