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Finding the Fourth Proportional to 544,678.35, 751,645.32 and 302,955.72

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Solution

The fourth proportional to 544,678.35, 751,645.32 and 302,955.72 is: 418,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,678.35 : 751,645.32 = 302,955.72 : x
  2. Step 2: Convert to fraction form
    544,678.35/751,645.32 = 302,955.72/x
  3. Step 3: Cross multiply
    544,678.35x = 751,645.32 × 302,955.72
  4. Step 4: Simplify right side
    544,678.35x = 227,715,249,105.23
  5. Step 5: Solve for x
    x = 227,715,249,105.23/544,678.35
  6. Step 6: Final answer
    x = 418,072.88

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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.