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Finding the Fourth Proportional to 557,423.51, 836,078.30 and 152,651.71

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Solution

The fourth proportional to 557,423.51, 836,078.30 and 152,651.71 is: 228,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,423.51 : 836,078.30 = 152,651.71 : x
  2. Step 2: Convert to fraction form
    557,423.51/836,078.30 = 152,651.71/x
  3. Step 3: Cross multiply
    557,423.51x = 836,078.30 × 152,651.71
  4. Step 4: Simplify right side
    557,423.51x = 127,628,782,188.89
  5. Step 5: Solve for x
    x = 127,628,782,188.89/557,423.51
  6. Step 6: Final answer
    x = 228,961.97

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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.