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Finding the Fourth Proportional to 653,364.96, 980,080.92 and 180,039.84

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Solution

The fourth proportional to 653,364.96, 980,080.92 and 180,039.84 is: 270,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,364.96 : 980,080.92 = 180,039.84 : x
  2. Step 2: Convert to fraction form
    653,364.96/980,080.92 = 180,039.84/x
  3. Step 3: Cross multiply
    653,364.96x = 980,080.92 × 180,039.84
  4. Step 4: Simplify right side
    653,364.96x = 176,453,612,023.85
  5. Step 5: Solve for x
    x = 176,453,612,023.85/653,364.96
  6. Step 6: Final answer
    x = 270,068.99

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1.5x scale

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.