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Finding the Fourth Proportional to 653,647.92, 980,528.36 and 180,333.28

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Solution

The fourth proportional to 653,647.92, 980,528.36 and 180,333.28 is: 270,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,647.92 : 980,528.36 = 180,333.28 : x
  2. Step 2: Convert to fraction form
    653,647.92/980,528.36 = 180,333.28/x
  3. Step 3: Cross multiply
    653,647.92x = 980,528.36 × 180,333.28
  4. Step 4: Simplify right side
    653,647.92x = 176,821,895,291.82
  5. Step 5: Solve for x
    x = 176,821,895,291.82/653,647.92
  6. Step 6: Final answer
    x = 270,515.50

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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.