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Finding the Fourth Proportional to 500,891.45, 751,329.14 and 159,330.04

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Solution

The fourth proportional to 500,891.45, 751,329.14 and 159,330.04 is: 238,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,891.45 : 751,329.14 = 159,330.04 : x
  2. Step 2: Convert to fraction form
    500,891.45/751,329.14 = 159,330.04/x
  3. Step 3: Cross multiply
    500,891.45x = 751,329.14 × 159,330.04
  4. Step 4: Simplify right side
    500,891.45x = 119,709,299,254.39
  5. Step 5: Solve for x
    x = 119,709,299,254.39/500,891.45
  6. Step 6: Final answer
    x = 238,992.50

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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.