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Finding the Fourth Proportional to 770,598.32, 1,063,467 and 431,046.32

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Solution

The fourth proportional to 770,598.32, 1,063,467 and 431,046.32 is: 594,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,598.32 : 1,063,467 = 431,046.32 : x
  2. Step 2: Convert to fraction form
    770,598.32/1,063,467 = 431,046.32/x
  3. Step 3: Cross multiply
    770,598.32x = 1,063,467 × 431,046.32
  4. Step 4: Simplify right side
    770,598.32x = 458,403,536,791.44
  5. Step 5: Solve for x
    x = 458,403,536,791.44/770,598.32
  6. Step 6: Final answer
    x = 594,867.03

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Double scale
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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.