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Finding the Fourth Proportional to 829,953.60, 1,243,180.80 and 829,953.60

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Solution

The fourth proportional to 829,953.60, 1,243,180.80 and 829,953.60 is: 1,243,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,953.60 : 1,243,180.80 = 829,953.60 : x
  2. Step 2: Convert to fraction form
    829,953.60/1,243,180.80 = 829,953.60/x
  3. Step 3: Cross multiply
    829,953.60x = 1,243,180.80 × 829,953.60
  4. Step 4: Simplify right side
    829,953.60x = 1,031,782,380,410.88
  5. Step 5: Solve for x
    x = 1,031,782,380,410.88/829,953.60
  6. Step 6: Final answer
    x = 1,243,180.80

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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.