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Finding the Fourth Proportional to 264,342.99, 364,792.86 and 143,484.15

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Solution

The fourth proportional to 264,342.99, 364,792.86 and 143,484.15 is: 198,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,342.99 : 364,792.86 = 143,484.15 : x
  2. Step 2: Convert to fraction form
    264,342.99/364,792.86 = 143,484.15/x
  3. Step 3: Cross multiply
    264,342.99x = 364,792.86 × 143,484.15
  4. Step 4: Simplify right side
    264,342.99x = 52,341,993,443.17
  5. Step 5: Solve for x
    x = 52,341,993,443.17/264,342.99
  6. Step 6: Final answer
    x = 198,007.87

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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.