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Finding the Fourth Proportional to 893,719.81, 1,340,580 and 262,633.69

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Solution

The fourth proportional to 893,719.81, 1,340,580 and 262,633.69 is: 393,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,719.81 : 1,340,580 = 262,633.69 : x
  2. Step 2: Convert to fraction form
    893,719.81/1,340,580 = 262,633.69/x
  3. Step 3: Cross multiply
    893,719.81x = 1,340,580 × 262,633.69
  4. Step 4: Simplify right side
    893,719.81x = 352,081,472,140.20
  5. Step 5: Solve for x
    x = 352,081,472,140.20/893,719.81
  6. Step 6: Final answer
    x = 393,950.62

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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.