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Finding the Fourth Proportional to 398,710.91, 597,984.80 and 114,325.27

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Solution

The fourth proportional to 398,710.91, 597,984.80 and 114,325.27 is: 171,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,710.91 : 597,984.80 = 114,325.27 : x
  2. Step 2: Convert to fraction form
    398,710.91/597,984.80 = 114,325.27/x
  3. Step 3: Cross multiply
    398,710.91x = 597,984.80 × 114,325.27
  4. Step 4: Simplify right side
    398,710.91x = 68,364,773,430.08
  5. Step 5: Solve for x
    x = 68,364,773,430.08/398,710.91
  6. Step 6: Final answer
    x = 171,464.52

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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.