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Finding the Fourth Proportional to 638,762.64, 957,865.81 and 183,253.38

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Solution

The fourth proportional to 638,762.64, 957,865.81 and 183,253.38 is: 274,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,762.64 : 957,865.81 = 183,253.38 : x
  2. Step 2: Convert to fraction form
    638,762.64/957,865.81 = 183,253.38/x
  3. Step 3: Cross multiply
    638,762.64x = 957,865.81 × 183,253.38
  4. Step 4: Simplify right side
    638,762.64x = 175,532,147,268.94
  5. Step 5: Solve for x
    x = 175,532,147,268.94/638,762.64
  6. Step 6: Final answer
    x = 274,800.27

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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.