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Finding the Fourth Proportional to 304,208.40, 456,343.90 and 114,828.28

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Solution

The fourth proportional to 304,208.40, 456,343.90 and 114,828.28 is: 172,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,208.40 : 456,343.90 = 114,828.28 : x
  2. Step 2: Convert to fraction form
    304,208.40/456,343.90 = 114,828.28/x
  3. Step 3: Cross multiply
    304,208.40x = 456,343.90 × 114,828.28
  4. Step 4: Simplify right side
    304,208.40x = 52,401,185,125.49
  5. Step 5: Solve for x
    x = 52,401,185,125.49/304,208.40
  6. Step 6: Final answer
    x = 172,254.23

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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.