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Finding the Fourth Proportional to 532,825.79, 798,549.77 and 398,653.34

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Solution

The fourth proportional to 532,825.79, 798,549.77 and 398,653.34 is: 597,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,825.79 : 798,549.77 = 398,653.34 : x
  2. Step 2: Convert to fraction form
    532,825.79/798,549.77 = 398,653.34/x
  3. Step 3: Cross multiply
    532,825.79x = 798,549.77 × 398,653.34
  4. Step 4: Simplify right side
    532,825.79x = 318,344,526,980.72
  5. Step 5: Solve for x
    x = 318,344,526,980.72/532,825.79
  6. Step 6: Final answer
    x = 597,464.57

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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.