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Finding the Fourth Proportional to 434,540.70, 651,033.45 and 372,332.70

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Solution

The fourth proportional to 434,540.70, 651,033.45 and 372,332.70 is: 557,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,540.70 : 651,033.45 = 372,332.70 : x
  2. Step 2: Convert to fraction form
    434,540.70/651,033.45 = 372,332.70/x
  3. Step 3: Cross multiply
    434,540.70x = 651,033.45 × 372,332.70
  4. Step 4: Simplify right side
    434,540.70x = 242,401,042,228.82
  5. Step 5: Solve for x
    x = 242,401,042,228.82/434,540.70
  6. Step 6: Final answer
    x = 557,832.77

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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.