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Finding the Fourth Proportional to 1,762,321, 2,432,009.46 and 957,505

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Solution

The fourth proportional to 1,762,321, 2,432,009.46 and 957,505 is: 1,321,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,321 : 2,432,009.46 = 957,505 : x
  2. Step 2: Convert to fraction form
    1,762,321/2,432,009.46 = 957,505/x
  3. Step 3: Cross multiply
    1,762,321x = 2,432,009.46 × 957,505
  4. Step 4: Simplify right side
    1,762,321x = 2,328,661,217,997.30
  5. Step 5: Solve for x
    x = 2,328,661,217,997.30/1,762,321
  6. Step 6: Final answer
    x = 1,321,360.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.