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Finding the Fourth Proportional to 264,841.41, 365,484.23 and 143,980.05

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Solution

The fourth proportional to 264,841.41, 365,484.23 and 143,980.05 is: 198,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,841.41 : 365,484.23 = 143,980.05 : x
  2. Step 2: Convert to fraction form
    264,841.41/365,484.23 = 143,980.05/x
  3. Step 3: Cross multiply
    264,841.41x = 365,484.23 × 143,980.05
  4. Step 4: Simplify right side
    264,841.41x = 52,622,437,709.61
  5. Step 5: Solve for x
    x = 52,622,437,709.61/264,841.41
  6. Step 6: Final answer
    x = 198,694.15

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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.