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Finding the Fourth Proportional to 472,707.28, 708,469.61 and 236,116.00

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Solution

The fourth proportional to 472,707.28, 708,469.61 and 236,116.00 is: 353,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,707.28 : 708,469.61 = 236,116.00 : x
  2. Step 2: Convert to fraction form
    472,707.28/708,469.61 = 236,116.00/x
  3. Step 3: Cross multiply
    472,707.28x = 708,469.61 × 236,116.00
  4. Step 4: Simplify right side
    472,707.28x = 167,281,006,892.41
  5. Step 5: Solve for x
    x = 167,281,006,892.41/472,707.28
  6. Step 6: Final answer
    x = 353,878.64

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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.