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Finding the Fourth Proportional to 317,256.89, 437,815.14 and 174,018.11

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Solution

The fourth proportional to 317,256.89, 437,815.14 and 174,018.11 is: 240,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,256.89 : 437,815.14 = 174,018.11 : x
  2. Step 2: Convert to fraction form
    317,256.89/437,815.14 = 174,018.11/x
  3. Step 3: Cross multiply
    317,256.89x = 437,815.14 × 174,018.11
  4. Step 4: Simplify right side
    317,256.89x = 76,187,763,192.19
  5. Step 5: Solve for x
    x = 76,187,763,192.19/317,256.89
  6. Step 6: Final answer
    x = 240,145.34

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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.