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Finding the Fourth Proportional to 443,492.52, 665,736.33 and 177,438.51

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Solution

The fourth proportional to 443,492.52, 665,736.33 and 177,438.51 is: 266,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,492.52 : 665,736.33 = 177,438.51 : x
  2. Step 2: Convert to fraction form
    443,492.52/665,736.33 = 177,438.51/x
  3. Step 3: Cross multiply
    443,492.52x = 665,736.33 × 177,438.51
  4. Step 4: Simplify right side
    443,492.52x = 118,127,262,448.07
  5. Step 5: Solve for x
    x = 118,127,262,448.07/443,492.52
  6. Step 6: Final answer
    x = 266,356.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.