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Finding the Fourth Proportional to 358,583.60, 494,841.36 and 197,435.36

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Solution

The fourth proportional to 358,583.60, 494,841.36 and 197,435.36 is: 272,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,583.60 : 494,841.36 = 197,435.36 : x
  2. Step 2: Convert to fraction form
    358,583.60/494,841.36 = 197,435.36/x
  3. Step 3: Cross multiply
    358,583.60x = 494,841.36 × 197,435.36
  4. Step 4: Simplify right side
    358,583.60x = 97,699,182,054.49
  5. Step 5: Solve for x
    x = 97,699,182,054.49/358,583.60
  6. Step 6: Final answer
    x = 272,458.59

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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.