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Finding the Fourth Proportional to 329,225.75, 493,835.02 and 79,907.75

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Solution

The fourth proportional to 329,225.75, 493,835.02 and 79,907.75 is: 119,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,225.75 : 493,835.02 = 79,907.75 : x
  2. Step 2: Convert to fraction form
    329,225.75/493,835.02 = 79,907.75/x
  3. Step 3: Cross multiply
    329,225.75x = 493,835.02 × 79,907.75
  4. Step 4: Simplify right side
    329,225.75x = 39,461,242,650.46
  5. Step 5: Solve for x
    x = 39,461,242,650.46/329,225.75
  6. Step 6: Final answer
    x = 119,860.74

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1.5x scale

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.