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Finding the Fourth Proportional to 357,768.06, 536,798.88 and 189,243.30

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Solution

The fourth proportional to 357,768.06, 536,798.88 and 189,243.30 is: 283,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,768.06 : 536,798.88 = 189,243.30 : x
  2. Step 2: Convert to fraction form
    357,768.06/536,798.88 = 189,243.30/x
  3. Step 3: Cross multiply
    357,768.06x = 536,798.88 × 189,243.30
  4. Step 4: Simplify right side
    357,768.06x = 101,585,591,487.50
  5. Step 5: Solve for x
    x = 101,585,591,487.50/357,768.06
  6. Step 6: Final answer
    x = 283,942.60

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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.