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Finding the Fourth Proportional to 264,374.48, 364,836.84 and 143,515.64

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Solution

The fourth proportional to 264,374.48, 364,836.84 and 143,515.64 is: 198,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,374.48 : 364,836.84 = 143,515.64 : x
  2. Step 2: Convert to fraction form
    264,374.48/364,836.84 = 143,515.64/x
  3. Step 3: Cross multiply
    264,374.48x = 364,836.84 × 143,515.64
  4. Step 4: Simplify right side
    264,374.48x = 52,359,792,588.18
  5. Step 5: Solve for x
    x = 52,359,792,588.18/264,374.48
  6. Step 6: Final answer
    x = 198,051.61

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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.