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Finding the Fourth Proportional to 398,606.49, 597,807.53 and 118,058.13

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Solution

The fourth proportional to 398,606.49, 597,807.53 and 118,058.13 is: 177,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,606.49 : 597,807.53 = 118,058.13 : x
  2. Step 2: Convert to fraction form
    398,606.49/597,807.53 = 118,058.13/x
  3. Step 3: Cross multiply
    398,606.49x = 597,807.53 × 118,058.13
  4. Step 4: Simplify right side
    398,606.49x = 70,576,039,091.72
  5. Step 5: Solve for x
    x = 70,576,039,091.72/398,606.49
  6. Step 6: Final answer
    x = 177,056.92

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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.