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Finding the Fourth Proportional to 525,762.62, 788,569.82 and 170,780.93

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Solution

The fourth proportional to 525,762.62, 788,569.82 and 170,780.93 is: 256,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,762.62 : 788,569.82 = 170,780.93 : x
  2. Step 2: Convert to fraction form
    525,762.62/788,569.82 = 170,780.93/x
  3. Step 3: Cross multiply
    525,762.62x = 788,569.82 × 170,780.93
  4. Step 4: Simplify right side
    525,762.62x = 134,672,686,375.63
  5. Step 5: Solve for x
    x = 134,672,686,375.63/525,762.62
  6. Step 6: Final answer
    x = 256,147.32

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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.