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Finding the Fourth Proportional to 264,285.84, 364,717.13 and 143,428.17

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Solution

The fourth proportional to 264,285.84, 364,717.13 and 143,428.17 is: 197,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,285.84 : 364,717.13 = 143,428.17 : x
  2. Step 2: Convert to fraction form
    264,285.84/364,717.13 = 143,428.17/x
  3. Step 3: Cross multiply
    264,285.84x = 364,717.13 × 143,428.17
  4. Step 4: Simplify right side
    264,285.84x = 52,310,710,523.55
  5. Step 5: Solve for x
    x = 52,310,710,523.55/264,285.84
  6. Step 6: Final answer
    x = 197,932.32

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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.