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Finding the Fourth Proportional to 1,742,562.70, 2,610,344.85 and 993,733.90

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Solution

The fourth proportional to 1,742,562.70, 2,610,344.85 and 993,733.90 is: 1,488,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,562.70 : 2,610,344.85 = 993,733.90 : x
  2. Step 2: Convert to fraction form
    1,742,562.70/2,610,344.85 = 993,733.90/x
  3. Step 3: Cross multiply
    1,742,562.70x = 2,610,344.85 × 993,733.90
  4. Step 4: Simplify right side
    1,742,562.70x = 2,593,988,168,135.42
  5. Step 5: Solve for x
    x = 2,593,988,168,135.42/1,742,562.70
  6. Step 6: Final answer
    x = 1,488,605.36

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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.