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Finding the Fourth Proportional to 264,349.86, 364,803.15 and 143,491.06

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Solution

The fourth proportional to 264,349.86, 364,803.15 and 143,491.06 is: 198,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,349.86 : 364,803.15 = 143,491.06 : x
  2. Step 2: Convert to fraction form
    264,349.86/364,803.15 = 143,491.06/x
  3. Step 3: Cross multiply
    264,349.86x = 364,803.15 × 143,491.06
  4. Step 4: Simplify right side
    264,349.86x = 52,345,990,684.84
  5. Step 5: Solve for x
    x = 52,345,990,684.84/264,349.86
  6. Step 6: Final answer
    x = 198,017.85

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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.