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Finding the Fourth Proportional to 544,539.90, 817,101.45 and 245,066.70

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Solution

The fourth proportional to 544,539.90, 817,101.45 and 245,066.70 is: 367,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,539.90 : 817,101.45 = 245,066.70 : x
  2. Step 2: Convert to fraction form
    544,539.90/817,101.45 = 245,066.70/x
  3. Step 3: Cross multiply
    544,539.90x = 817,101.45 × 245,066.70
  4. Step 4: Simplify right side
    544,539.90x = 200,244,355,916.72
  5. Step 5: Solve for x
    x = 200,244,355,916.72/544,539.90
  6. Step 6: Final answer
    x = 367,731.28

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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.