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Finding the Fourth Proportional to 602,245.56, 829,012.98 and 520,536.60

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Solution

The fourth proportional to 602,245.56, 829,012.98 and 520,536.60 is: 716,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,245.56 : 829,012.98 = 520,536.60 : x
  2. Step 2: Convert to fraction form
    602,245.56/829,012.98 = 520,536.60/x
  3. Step 3: Cross multiply
    602,245.56x = 829,012.98 × 520,536.60
  4. Step 4: Simplify right side
    602,245.56x = 431,531,597,965.07
  5. Step 5: Solve for x
    x = 431,531,597,965.07/602,245.56
  6. Step 6: Final answer
    x = 716,537.62

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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.