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Finding the Fourth Proportional to 532,843.06, 798,575.62 and 398,670.60

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Solution

The fourth proportional to 532,843.06, 798,575.62 and 398,670.60 is: 597,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,843.06 : 798,575.62 = 398,670.60 : x
  2. Step 2: Convert to fraction form
    532,843.06/798,575.62 = 398,670.60/x
  3. Step 3: Cross multiply
    532,843.06x = 798,575.62 × 398,670.60
  4. Step 4: Simplify right side
    532,843.06x = 318,368,621,570.77
  5. Step 5: Solve for x
    x = 318,368,621,570.77/532,843.06
  6. Step 6: Final answer
    x = 597,490.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.