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Finding the Fourth Proportional to 264,361.70, 364,808.40 and 143,498.36

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Solution

The fourth proportional to 264,361.70, 364,808.40 and 143,498.36 is: 198,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,361.70 : 364,808.40 = 143,498.36 : x
  2. Step 2: Convert to fraction form
    264,361.70/364,808.40 = 143,498.36/x
  3. Step 3: Cross multiply
    264,361.70x = 364,808.40 × 143,498.36
  4. Step 4: Simplify right side
    264,361.70x = 52,349,407,114.22
  5. Step 5: Solve for x
    x = 52,349,407,114.22/264,361.70
  6. Step 6: Final answer
    x = 198,021.90

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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.