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Finding the Fourth Proportional to 525,859.68, 788,914.08 and 170,873.76

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Solution

The fourth proportional to 525,859.68, 788,914.08 and 170,873.76 is: 256,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,859.68 : 788,914.08 = 170,873.76 : x
  2. Step 2: Convert to fraction form
    525,859.68/788,914.08 = 170,873.76/x
  3. Step 3: Cross multiply
    525,859.68x = 788,914.08 × 170,873.76
  4. Step 4: Simplify right side
    525,859.68x = 134,804,715,166.54
  5. Step 5: Solve for x
    x = 134,804,715,166.54/525,859.68
  6. Step 6: Final answer
    x = 256,351.11

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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.