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Finding the Fourth Proportional to 366,241.80, 549,362.70 and 259,953.60

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Solution

The fourth proportional to 366,241.80, 549,362.70 and 259,953.60 is: 389,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,241.80 : 549,362.70 = 259,953.60 : x
  2. Step 2: Convert to fraction form
    366,241.80/549,362.70 = 259,953.60/x
  3. Step 3: Cross multiply
    366,241.80x = 549,362.70 × 259,953.60
  4. Step 4: Simplify right side
    366,241.80x = 142,808,811,570.72
  5. Step 5: Solve for x
    x = 142,808,811,570.72/366,241.80
  6. Step 6: Final answer
    x = 389,930.40

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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.