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Finding the Fourth Proportional to 468,706.88, 646,814.94 and 253,846.82

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Solution

The fourth proportional to 468,706.88, 646,814.94 and 253,846.82 is: 350,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,706.88 : 646,814.94 = 253,846.82 : x
  2. Step 2: Convert to fraction form
    468,706.88/646,814.94 = 253,846.82/x
  3. Step 3: Cross multiply
    468,706.88x = 646,814.94 × 253,846.82
  4. Step 4: Simplify right side
    468,706.88x = 164,191,915,647.49
  5. Step 5: Solve for x
    x = 164,191,915,647.49/468,706.88
  6. Step 6: Final answer
    x = 350,308.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.