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Finding the Fourth Proportional to 525,651.06, 788,659.46 and 165,877.40

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Solution

The fourth proportional to 525,651.06, 788,659.46 and 165,877.40 is: 248,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,651.06 : 788,659.46 = 165,877.40 : x
  2. Step 2: Convert to fraction form
    525,651.06/788,659.46 = 165,877.40/x
  3. Step 3: Cross multiply
    525,651.06x = 788,659.46 × 165,877.40
  4. Step 4: Simplify right side
    525,651.06x = 130,820,780,710.20
  5. Step 5: Solve for x
    x = 130,820,780,710.20/525,651.06
  6. Step 6: Final answer
    x = 248,873.81

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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.