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Finding the Fourth Proportional to 360,055.22, 539,957.75 and 200,374.83

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Solution

The fourth proportional to 360,055.22, 539,957.75 and 200,374.83 is: 300,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,055.22 : 539,957.75 = 200,374.83 : x
  2. Step 2: Convert to fraction form
    360,055.22/539,957.75 = 200,374.83/x
  3. Step 3: Cross multiply
    360,055.22x = 539,957.75 × 200,374.83
  4. Step 4: Simplify right side
    360,055.22x = 108,193,942,363.43
  5. Step 5: Solve for x
    x = 108,193,942,363.43/360,055.22
  6. Step 6: Final answer
    x = 300,492.64

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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.