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Finding the Fourth Proportional to 446,672.88, 616,446.36 and 245,510.64

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Solution

The fourth proportional to 446,672.88, 616,446.36 and 245,510.64 is: 338,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,672.88 : 616,446.36 = 245,510.64 : x
  2. Step 2: Convert to fraction form
    446,672.88/616,446.36 = 245,510.64/x
  3. Step 3: Cross multiply
    446,672.88x = 616,446.36 × 245,510.64
  4. Step 4: Simplify right side
    446,672.88x = 151,344,140,369.27
  5. Step 5: Solve for x
    x = 151,344,140,369.27/446,672.88
  6. Step 6: Final answer
    x = 338,825.45

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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.