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Finding the Fourth Proportional to 357,336.56, 535,891.04 and 117,394.76

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Solution

The fourth proportional to 357,336.56, 535,891.04 and 117,394.76 is: 176,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,336.56 : 535,891.04 = 117,394.76 : x
  2. Step 2: Convert to fraction form
    357,336.56/535,891.04 = 117,394.76/x
  3. Step 3: Cross multiply
    357,336.56x = 535,891.04 × 117,394.76
  4. Step 4: Simplify right side
    357,336.56x = 62,910,800,779.70
  5. Step 5: Solve for x
    x = 62,910,800,779.70/357,336.56
  6. Step 6: Final answer
    x = 176,054.75

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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.