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Finding the Fourth Proportional to 653,993.47, 980,980.48 and 180,668.35

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Solution

The fourth proportional to 653,993.47, 980,980.48 and 180,668.35 is: 270,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,993.47 : 980,980.48 = 180,668.35 : x
  2. Step 2: Convert to fraction form
    653,993.47/980,980.48 = 180,668.35/x
  3. Step 3: Cross multiply
    653,993.47x = 980,980.48 × 180,668.35
  4. Step 4: Simplify right side
    653,993.47x = 177,232,124,703.81
  5. Step 5: Solve for x
    x = 177,232,124,703.81/653,993.47
  6. Step 6: Final answer
    x = 270,999.84

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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.