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Finding the Fourth Proportional to 358,483.98, 537,806.99 and 118,597.32

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Solution

The fourth proportional to 358,483.98, 537,806.99 and 118,597.32 is: 177,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,483.98 : 537,806.99 = 118,597.32 : x
  2. Step 2: Convert to fraction form
    358,483.98/537,806.99 = 118,597.32/x
  3. Step 3: Cross multiply
    358,483.98x = 537,806.99 × 118,597.32
  4. Step 4: Simplify right side
    358,483.98x = 63,782,467,098.28
  5. Step 5: Solve for x
    x = 63,782,467,098.28/358,483.98
  6. Step 6: Final answer
    x = 177,922.78

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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.