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Finding the Fourth Proportional to 264,502.80, 365,014.08 and 143,643.60

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Solution

The fourth proportional to 264,502.80, 365,014.08 and 143,643.60 is: 198,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,502.80 : 365,014.08 = 143,643.60 : x
  2. Step 2: Convert to fraction form
    264,502.80/365,014.08 = 143,643.60/x
  3. Step 3: Cross multiply
    264,502.80x = 365,014.08 × 143,643.60
  4. Step 4: Simplify right side
    264,502.80x = 52,431,936,501.89
  5. Step 5: Solve for x
    x = 52,431,936,501.89/264,502.80
  6. Step 6: Final answer
    x = 198,228.29

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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.