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Finding the Fourth Proportional to 539,735.04, 809,461.26 and 160,553.61

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Solution

The fourth proportional to 539,735.04, 809,461.26 and 160,553.61 is: 240,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,735.04 : 809,461.26 = 160,553.61 : x
  2. Step 2: Convert to fraction form
    539,735.04/809,461.26 = 160,553.61/x
  3. Step 3: Cross multiply
    539,735.04x = 809,461.26 × 160,553.61
  4. Step 4: Simplify right side
    539,735.04x = 129,961,927,448.15
  5. Step 5: Solve for x
    x = 129,961,927,448.15/539,735.04
  6. Step 6: Final answer
    x = 240,788.38

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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.