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Finding the Fourth Proportional to 602,467.26, 830,755.61 and 457,540.23

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Solution

The fourth proportional to 602,467.26, 830,755.61 and 457,540.23 is: 630,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,467.26 : 830,755.61 = 457,540.23 : x
  2. Step 2: Convert to fraction form
    602,467.26/830,755.61 = 457,540.23/x
  3. Step 3: Cross multiply
    602,467.26x = 830,755.61 × 457,540.23
  4. Step 4: Simplify right side
    602,467.26x = 380,104,110,585.49
  5. Step 5: Solve for x
    x = 380,104,110,585.49/602,467.26
  6. Step 6: Final answer
    x = 630,912.48

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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.