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Finding the Fourth Proportional to 525,468.96, 788,314.14 and 170,455.26

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Solution

The fourth proportional to 525,468.96, 788,314.14 and 170,455.26 is: 255,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,468.96 : 788,314.14 = 170,455.26 : x
  2. Step 2: Convert to fraction form
    525,468.96/788,314.14 = 170,455.26/x
  3. Step 3: Cross multiply
    525,468.96x = 788,314.14 × 170,455.26
  4. Step 4: Simplify right side
    525,468.96x = 134,372,291,695.38
  5. Step 5: Solve for x
    x = 134,372,291,695.38/525,468.96
  6. Step 6: Final answer
    x = 255,718.80

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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.