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Finding the Fourth Proportional to 544,384.68, 751,008.38 and 317,930.28

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Solution

The fourth proportional to 544,384.68, 751,008.38 and 317,930.28 is: 438,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,384.68 : 751,008.38 = 317,930.28 : x
  2. Step 2: Convert to fraction form
    544,384.68/751,008.38 = 317,930.28/x
  3. Step 3: Cross multiply
    544,384.68x = 751,008.38 × 317,930.28
  4. Step 4: Simplify right side
    544,384.68x = 238,768,304,535.75
  5. Step 5: Solve for x
    x = 238,768,304,535.75/544,384.68
  6. Step 6: Final answer
    x = 438,602.17

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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.