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Finding the Fourth Proportional to 607,536.60, 911,304.90 and 186,811.80

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Solution

The fourth proportional to 607,536.60, 911,304.90 and 186,811.80 is: 280,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,536.60 : 911,304.90 = 186,811.80 : x
  2. Step 2: Convert to fraction form
    607,536.60/911,304.90 = 186,811.80/x
  3. Step 3: Cross multiply
    607,536.60x = 911,304.90 × 186,811.80
  4. Step 4: Simplify right side
    607,536.60x = 170,242,508,717.82
  5. Step 5: Solve for x
    x = 170,242,508,717.82/607,536.60
  6. Step 6: Final answer
    x = 280,217.70

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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.