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Finding the Fourth Proportional to 928,051.90, 1,296,473.30 and 928,051.90

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Solution

The fourth proportional to 928,051.90, 1,296,473.30 and 928,051.90 is: 1,296,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,051.90 : 1,296,473.30 = 928,051.90 : x
  2. Step 2: Convert to fraction form
    928,051.90/1,296,473.30 = 928,051.90/x
  3. Step 3: Cross multiply
    928,051.90x = 1,296,473.30 × 928,051.90
  4. Step 4: Simplify right side
    928,051.90x = 1,203,194,509,364.27
  5. Step 5: Solve for x
    x = 1,203,194,509,364.27/928,051.90
  6. Step 6: Final answer
    x = 1,296,473.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.