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Finding the Fourth Proportional to 544,363.43, 751,178.95 and 302,631.28

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Solution

The fourth proportional to 544,363.43, 751,178.95 and 302,631.28 is: 417,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,363.43 : 751,178.95 = 302,631.28 : x
  2. Step 2: Convert to fraction form
    544,363.43/751,178.95 = 302,631.28/x
  3. Step 3: Cross multiply
    544,363.43x = 751,178.95 × 302,631.28
  4. Step 4: Simplify right side
    544,363.43x = 227,330,244,513.03
  5. Step 5: Solve for x
    x = 227,330,244,513.03/544,363.43
  6. Step 6: Final answer
    x = 417,607.49

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1.5x scale

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.