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Finding the Fourth Proportional to 463,570.32, 639,617.40 and 262,366.32

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Solution

The fourth proportional to 463,570.32, 639,617.40 and 262,366.32 is: 362,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,570.32 : 639,617.40 = 262,366.32 : x
  2. Step 2: Convert to fraction form
    463,570.32/639,617.40 = 262,366.32/x
  3. Step 3: Cross multiply
    463,570.32x = 639,617.40 × 262,366.32
  4. Step 4: Simplify right side
    463,570.32x = 167,814,063,445.97
  5. Step 5: Solve for x
    x = 167,814,063,445.97/463,570.32
  6. Step 6: Final answer
    x = 362,003.47

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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.