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Finding the Fourth Proportional to 525,925.02, 788,388.12 and 170,690.61

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Solution

The fourth proportional to 525,925.02, 788,388.12 and 170,690.61 is: 255,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,925.02 : 788,388.12 = 170,690.61 : x
  2. Step 2: Convert to fraction form
    525,925.02/788,388.12 = 170,690.61/x
  3. Step 3: Cross multiply
    525,925.02x = 788,388.12 × 170,690.61
  4. Step 4: Simplify right side
    525,925.02x = 134,570,449,119.55
  5. Step 5: Solve for x
    x = 134,570,449,119.55/525,925.02
  6. Step 6: Final answer
    x = 255,873.83

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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.