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Finding the Fourth Proportional to 323,290.85, 484,935.98 and 152,472.71

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Solution

The fourth proportional to 323,290.85, 484,935.98 and 152,472.71 is: 228,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,290.85 : 484,935.98 = 152,472.71 : x
  2. Step 2: Convert to fraction form
    323,290.85/484,935.98 = 152,472.71/x
  3. Step 3: Cross multiply
    323,290.85x = 484,935.98 × 152,472.71
  4. Step 4: Simplify right side
    323,290.85x = 73,939,505,187.82
  5. Step 5: Solve for x
    x = 73,939,505,187.82/323,290.85
  6. Step 6: Final answer
    x = 228,708.93

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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.