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Finding the Fourth Proportional to 484,511.59, 668,619.32 and 269,651.62

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Solution

The fourth proportional to 484,511.59, 668,619.32 and 269,651.62 is: 372,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,511.59 : 668,619.32 = 269,651.62 : x
  2. Step 2: Convert to fraction form
    484,511.59/668,619.32 = 269,651.62/x
  3. Step 3: Cross multiply
    484,511.59x = 668,619.32 × 269,651.62
  4. Step 4: Simplify right side
    484,511.59x = 180,294,281,803.88
  5. Step 5: Solve for x
    x = 180,294,281,803.88/484,511.59
  6. Step 6: Final answer
    x = 372,115.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.