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Finding the Fourth Proportional to 317,762.36, 438,512.28 and 174,529.52

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Solution

The fourth proportional to 317,762.36, 438,512.28 and 174,529.52 is: 240,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,762.36 : 438,512.28 = 174,529.52 : x
  2. Step 2: Convert to fraction form
    317,762.36/438,512.28 = 174,529.52/x
  3. Step 3: Cross multiply
    317,762.36x = 438,512.28 × 174,529.52
  4. Step 4: Simplify right side
    317,762.36x = 76,533,337,742.51
  5. Step 5: Solve for x
    x = 76,533,337,742.51/317,762.36
  6. Step 6: Final answer
    x = 240,850.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.