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Finding the Fourth Proportional to 648,493.32, 894,905.91 and 362,040.06

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Solution

The fourth proportional to 648,493.32, 894,905.91 and 362,040.06 is: 499,606.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,493.32 : 894,905.91 = 362,040.06 : x
  2. Step 2: Convert to fraction form
    648,493.32/894,905.91 = 362,040.06/x
  3. Step 3: Cross multiply
    648,493.32x = 894,905.91 × 362,040.06
  4. Step 4: Simplify right side
    648,493.32x = 323,991,789,350.76
  5. Step 5: Solve for x
    x = 323,991,789,350.76/648,493.32
  6. Step 6: Final answer
    x = 499,606.98

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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.