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Finding the Fourth Proportional to 436,775.58, 655,321 and 152,508

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Solution

The fourth proportional to 436,775.58, 655,321 and 152,508 is: 228,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,775.58 : 655,321 = 152,508 : x
  2. Step 2: Convert to fraction form
    436,775.58/655,321 = 152,508/x
  3. Step 3: Cross multiply
    436,775.58x = 655,321 × 152,508
  4. Step 4: Simplify right side
    436,775.58x = 99,941,695,068
  5. Step 5: Solve for x
    x = 99,941,695,068/436,775.58
  6. Step 6: Final answer
    x = 228,817.04

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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.