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Finding the Fourth Proportional to 571,777.42, 788,536.51 and 356,937.42

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Solution

The fourth proportional to 571,777.42, 788,536.51 and 356,937.42 is: 492,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,777.42 : 788,536.51 = 356,937.42 : x
  2. Step 2: Convert to fraction form
    571,777.42/788,536.51 = 356,937.42/x
  3. Step 3: Cross multiply
    571,777.42x = 788,536.51 × 356,937.42
  4. Step 4: Simplify right side
    571,777.42x = 281,458,187,455.20
  5. Step 5: Solve for x
    x = 281,458,187,455.20/571,777.42
  6. Step 6: Final answer
    x = 492,251.32

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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.