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Finding the Fourth Proportional to 329,907.90, 494,533.80 and 152,104.80

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Solution

The fourth proportional to 329,907.90, 494,533.80 and 152,104.80 is: 228,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,907.90 : 494,533.80 = 152,104.80 : x
  2. Step 2: Convert to fraction form
    329,907.90/494,533.80 = 152,104.80/x
  3. Step 3: Cross multiply
    329,907.90x = 494,533.80 × 152,104.80
  4. Step 4: Simplify right side
    329,907.90x = 75,220,964,742.24
  5. Step 5: Solve for x
    x = 75,220,964,742.24/329,907.90
  6. Step 6: Final answer
    x = 228,005.95

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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.