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Finding the Fourth Proportional to 653,644.09, 980,522.62 and 180,329.45

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Solution

The fourth proportional to 653,644.09, 980,522.62 and 180,329.45 is: 270,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,644.09 : 980,522.62 = 180,329.45 : x
  2. Step 2: Convert to fraction form
    653,644.09/980,522.62 = 180,329.45/x
  3. Step 3: Cross multiply
    653,644.09x = 980,522.62 × 180,329.45
  4. Step 4: Simplify right side
    653,644.09x = 176,817,107,679.29
  5. Step 5: Solve for x
    x = 176,817,107,679.29/653,644.09
  6. Step 6: Final answer
    x = 270,509.76

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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.