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Finding the Fourth Proportional to 1,265,682.96, 1,898,532 and 517,728.96

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Solution

The fourth proportional to 1,265,682.96, 1,898,532 and 517,728.96 is: 776,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,682.96 : 1,898,532 = 517,728.96 : x
  2. Step 2: Convert to fraction form
    1,265,682.96/1,898,532 = 517,728.96/x
  3. Step 3: Cross multiply
    1,265,682.96x = 1,898,532 × 517,728.96
  4. Step 4: Simplify right side
    1,265,682.96x = 982,924,997,886.72
  5. Step 5: Solve for x
    x = 982,924,997,886.72/1,265,682.96
  6. Step 6: Final answer
    x = 776,596.53

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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.