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Finding the Fourth Proportional to 1,099,750.70, 1,541,750.50 and 1,099,750.70

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Solution

The fourth proportional to 1,099,750.70, 1,541,750.50 and 1,099,750.70 is: 1,541,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,750.70 : 1,541,750.50 = 1,099,750.70 : x
  2. Step 2: Convert to fraction form
    1,099,750.70/1,541,750.50 = 1,099,750.70/x
  3. Step 3: Cross multiply
    1,099,750.70x = 1,541,750.50 × 1,099,750.70
  4. Step 4: Simplify right side
    1,099,750.70x = 1,695,541,191,600.35
  5. Step 5: Solve for x
    x = 1,695,541,191,600.35/1,099,750.70
  6. Step 6: Final answer
    x = 1,541,750.50

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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.