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Finding the Fourth Proportional to 736,826.40, 1,105,239.60 and 736,826.40

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Solution

The fourth proportional to 736,826.40, 1,105,239.60 and 736,826.40 is: 1,105,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,826.40 : 1,105,239.60 = 736,826.40 : x
  2. Step 2: Convert to fraction form
    736,826.40/1,105,239.60 = 736,826.40/x
  3. Step 3: Cross multiply
    736,826.40x = 1,105,239.60 × 736,826.40
  4. Step 4: Simplify right side
    736,826.40x = 814,369,715,605.44
  5. Step 5: Solve for x
    x = 814,369,715,605.44/736,826.40
  6. Step 6: Final answer
    x = 1,105,239.60

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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.