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Finding the Fourth Proportional to 264,350.40, 364,803.76 and 143,491.60

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Solution

The fourth proportional to 264,350.40, 364,803.76 and 143,491.60 is: 198,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,350.40 : 364,803.76 = 143,491.60 : x
  2. Step 2: Convert to fraction form
    264,350.40/364,803.76 = 143,491.60/x
  3. Step 3: Cross multiply
    264,350.40x = 364,803.76 × 143,491.60
  4. Step 4: Simplify right side
    264,350.40x = 52,346,275,208.42
  5. Step 5: Solve for x
    x = 52,346,275,208.42/264,350.40
  6. Step 6: Final answer
    x = 198,018.52

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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.